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Finding the Fourth Proportional to 569,110.70, 853,666.05 and 303,390.20

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Solution

The fourth proportional to 569,110.70, 853,666.05 and 303,390.20 is: 455,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,110.70 : 853,666.05 = 303,390.20 : x
  2. Step 2: Convert to fraction form
    569,110.70/853,666.05 = 303,390.20/x
  3. Step 3: Cross multiply
    569,110.70x = 853,666.05 × 303,390.20
  4. Step 4: Simplify right side
    569,110.70x = 258,993,913,642.71
  5. Step 5: Solve for x
    x = 258,993,913,642.71/569,110.70
  6. Step 6: Final answer
    x = 455,085.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.