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Finding the Fourth Proportional to 539,557.68, 744,585.26 and 297,839.90

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Solution

The fourth proportional to 539,557.68, 744,585.26 and 297,839.90 is: 411,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,557.68 : 744,585.26 = 297,839.90 : x
  2. Step 2: Convert to fraction form
    539,557.68/744,585.26 = 297,839.90/x
  3. Step 3: Cross multiply
    539,557.68x = 744,585.26 × 297,839.90
  4. Step 4: Simplify right side
    539,557.68x = 221,767,199,379.87
  5. Step 5: Solve for x
    x = 221,767,199,379.87/539,557.68
  6. Step 6: Final answer
    x = 411,016.67

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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.