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Finding the Fourth Proportional to 924,419.88, 1,275,707.88 and 542,453.04

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Solution

The fourth proportional to 924,419.88, 1,275,707.88 and 542,453.04 is: 748,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,419.88 : 1,275,707.88 = 542,453.04 : x
  2. Step 2: Convert to fraction form
    924,419.88/1,275,707.88 = 542,453.04/x
  3. Step 3: Cross multiply
    924,419.88x = 1,275,707.88 × 542,453.04
  4. Step 4: Simplify right side
    924,419.88x = 692,011,617,657.96
  5. Step 5: Solve for x
    x = 692,011,617,657.96/924,419.88
  6. Step 6: Final answer
    x = 748,590.15

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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.