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Finding the Fourth Proportional to 539,041.40, 808,562.10 and 165,063.80

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Solution

The fourth proportional to 539,041.40, 808,562.10 and 165,063.80 is: 247,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,041.40 : 808,562.10 = 165,063.80 : x
  2. Step 2: Convert to fraction form
    539,041.40/808,562.10 = 165,063.80/x
  3. Step 3: Cross multiply
    539,041.40x = 808,562.10 × 165,063.80
  4. Step 4: Simplify right side
    539,041.40x = 133,464,332,761.98
  5. Step 5: Solve for x
    x = 133,464,332,761.98/539,041.40
  6. Step 6: Final answer
    x = 247,595.70

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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.