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Finding the Fourth Proportional to 536,606.10, 804,909.15 and 402,761.70

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Solution

The fourth proportional to 536,606.10, 804,909.15 and 402,761.70 is: 604,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,606.10 : 804,909.15 = 402,761.70 : x
  2. Step 2: Convert to fraction form
    536,606.10/804,909.15 = 402,761.70/x
  3. Step 3: Cross multiply
    536,606.10x = 804,909.15 × 402,761.70
  4. Step 4: Simplify right side
    536,606.10x = 324,186,577,599.56
  5. Step 5: Solve for x
    x = 324,186,577,599.56/536,606.10
  6. Step 6: Final answer
    x = 604,142.55

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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.