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Finding the Fourth Proportional to 572,483.92, 790,055.22 and 330,798.56

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Solution

The fourth proportional to 572,483.92, 790,055.22 and 330,798.56 is: 456,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,483.92 : 790,055.22 = 330,798.56 : x
  2. Step 2: Convert to fraction form
    572,483.92/790,055.22 = 330,798.56/x
  3. Step 3: Cross multiply
    572,483.92x = 790,055.22 × 330,798.56
  4. Step 4: Simplify right side
    572,483.92x = 261,349,129,096.48
  5. Step 5: Solve for x
    x = 261,349,129,096.48/572,483.92
  6. Step 6: Final answer
    x = 456,517.85

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Double scale
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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.