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Finding the Fourth Proportional to 392,038.01, 587,898.71 and 152,025.54

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Solution

The fourth proportional to 392,038.01, 587,898.71 and 152,025.54 is: 227,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,038.01 : 587,898.71 = 152,025.54 : x
  2. Step 2: Convert to fraction form
    392,038.01/587,898.71 = 152,025.54/x
  3. Step 3: Cross multiply
    392,038.01x = 587,898.71 × 152,025.54
  4. Step 4: Simplify right side
    392,038.01x = 89,375,615,913.56
  5. Step 5: Solve for x
    x = 89,375,615,913.56/392,038.01
  6. Step 6: Final answer
    x = 227,976.91

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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.