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Finding the Fourth Proportional to 487,234.71, 730,978.02 and 150,267.83

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Solution

The fourth proportional to 487,234.71, 730,978.02 and 150,267.83 is: 225,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,234.71 : 730,978.02 = 150,267.83 : x
  2. Step 2: Convert to fraction form
    487,234.71/730,978.02 = 150,267.83/x
  3. Step 3: Cross multiply
    487,234.71x = 730,978.02 × 150,267.83
  4. Step 4: Simplify right side
    487,234.71x = 109,842,477,188.21
  5. Step 5: Solve for x
    x = 109,842,477,188.21/487,234.71
  6. Step 6: Final answer
    x = 225,440.58

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