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Finding the Fourth Proportional to 924,064.90, 1,275,214 and 516,183.93

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Solution

The fourth proportional to 924,064.90, 1,275,214 and 516,183.93 is: 712,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,064.90 : 1,275,214 = 516,183.93 : x
  2. Step 2: Convert to fraction form
    924,064.90/1,275,214 = 516,183.93/x
  3. Step 3: Cross multiply
    924,064.90x = 1,275,214 × 516,183.93
  4. Step 4: Simplify right side
    924,064.90x = 658,244,974,111.02
  5. Step 5: Solve for x
    x = 658,244,974,111.02/924,064.90
  6. Step 6: Final answer
    x = 712,336.30

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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.