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Finding the Fourth Proportional to 587,609.40, 881,414.10 and 535,999.80

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Solution

The fourth proportional to 587,609.40, 881,414.10 and 535,999.80 is: 803,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,609.40 : 881,414.10 = 535,999.80 : x
  2. Step 2: Convert to fraction form
    587,609.40/881,414.10 = 535,999.80/x
  3. Step 3: Cross multiply
    587,609.40x = 881,414.10 × 535,999.80
  4. Step 4: Simplify right side
    587,609.40x = 472,437,781,317.18
  5. Step 5: Solve for x
    x = 472,437,781,317.18/587,609.40
  6. Step 6: Final answer
    x = 803,999.70

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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.