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Finding the Fourth Proportional to 587,693.40, 883,419.30 and 546,091.80

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Solution

The fourth proportional to 587,693.40, 883,419.30 and 546,091.80 is: 820,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,693.40 : 883,419.30 = 546,091.80 : x
  2. Step 2: Convert to fraction form
    587,693.40/883,419.30 = 546,091.80/x
  3. Step 3: Cross multiply
    587,693.40x = 883,419.30 × 546,091.80
  4. Step 4: Simplify right side
    587,693.40x = 482,428,035,691.74
  5. Step 5: Solve for x
    x = 482,428,035,691.74/587,693.40
  6. Step 6: Final answer
    x = 820,883.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.