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Finding the Fourth Proportional to 924,618.76, 1,275,978.61 and 516,727.41

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Solution

The fourth proportional to 924,618.76, 1,275,978.61 and 516,727.41 is: 713,086.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,618.76 : 1,275,978.61 = 516,727.41 : x
  2. Step 2: Convert to fraction form
    924,618.76/1,275,978.61 = 516,727.41/x
  3. Step 3: Cross multiply
    924,618.76x = 1,275,978.61 × 516,727.41
  4. Step 4: Simplify right side
    924,618.76x = 659,333,122,360.70
  5. Step 5: Solve for x
    x = 659,333,122,360.70/924,618.76
  6. Step 6: Final answer
    x = 713,086.46

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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.