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Finding the Fourth Proportional to 572,550.93, 790,217.47 and 330,973.55

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Solution

The fourth proportional to 572,550.93, 790,217.47 and 330,973.55 is: 456,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,550.93 : 790,217.47 = 330,973.55 : x
  2. Step 2: Convert to fraction form
    572,550.93/790,217.47 = 330,973.55/x
  3. Step 3: Cross multiply
    572,550.93x = 790,217.47 × 330,973.55
  4. Step 4: Simplify right side
    572,550.93x = 261,541,077,366.83
  5. Step 5: Solve for x
    x = 261,541,077,366.83/572,550.93
  6. Step 6: Final answer
    x = 456,799.67

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Half scale
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Double scale
Find fourth proportional to 572,551.93, 790,218.85 and 330,974.55
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.