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Finding the Fourth Proportional to 631,898.92, 947,208.06 and 272,304.04

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Solution

The fourth proportional to 631,898.92, 947,208.06 and 272,304.04 is: 408,180.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,898.92 : 947,208.06 = 272,304.04 : x
  2. Step 2: Convert to fraction form
    631,898.92/947,208.06 = 272,304.04/x
  3. Step 3: Cross multiply
    631,898.92x = 947,208.06 × 272,304.04
  4. Step 4: Simplify right side
    631,898.92x = 257,928,581,458.56
  5. Step 5: Solve for x
    x = 257,928,581,458.56/631,898.92
  6. Step 6: Final answer
    x = 408,180.13

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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.