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Finding the Fourth Proportional to 539,527.14, 744,547.50 and 297,809.78

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Solution

The fourth proportional to 539,527.14, 744,547.50 and 297,809.78 is: 410,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,527.14 : 744,547.50 = 297,809.78 : x
  2. Step 2: Convert to fraction form
    539,527.14/744,547.50 = 297,809.78/x
  3. Step 3: Cross multiply
    539,527.14x = 744,547.50 × 297,809.78
  4. Step 4: Simplify right side
    539,527.14x = 221,733,527,174.55
  5. Step 5: Solve for x
    x = 221,733,527,174.55/539,527.14
  6. Step 6: Final answer
    x = 410,977.52

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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.