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Finding the Fourth Proportional to 392,037.01, 587,897.21 and 152,024.54

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Solution

The fourth proportional to 392,037.01, 587,897.21 and 152,024.54 is: 227,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,037.01 : 587,897.21 = 152,024.54 : x
  2. Step 2: Convert to fraction form
    392,037.01/587,897.21 = 152,024.54/x
  3. Step 3: Cross multiply
    392,037.01x = 587,897.21 × 152,024.54
  4. Step 4: Simplify right side
    392,037.01x = 89,374,800,358.11
  5. Step 5: Solve for x
    x = 89,374,800,358.11/392,037.01
  6. Step 6: Final answer
    x = 227,975.42

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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.