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Finding the Fourth Proportional to 587,220.47, 880,201.01 and 384,740.11

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Solution

The fourth proportional to 587,220.47, 880,201.01 and 384,740.11 is: 576,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,220.47 : 880,201.01 = 384,740.11 : x
  2. Step 2: Convert to fraction form
    587,220.47/880,201.01 = 384,740.11/x
  3. Step 3: Cross multiply
    587,220.47x = 880,201.01 × 384,740.11
  4. Step 4: Simplify right side
    587,220.47x = 338,648,635,471.61
  5. Step 5: Solve for x
    x = 338,648,635,471.61/587,220.47
  6. Step 6: Final answer
    x = 576,697.60

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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.