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Finding the Fourth Proportional to 432,237.10, 648,304.62 and 116,718.61

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Solution

The fourth proportional to 432,237.10, 648,304.62 and 116,718.61 is: 175,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,237.10 : 648,304.62 = 116,718.61 : x
  2. Step 2: Convert to fraction form
    432,237.10/648,304.62 = 116,718.61/x
  3. Step 3: Cross multiply
    432,237.10x = 648,304.62 × 116,718.61
  4. Step 4: Simplify right side
    432,237.10x = 75,669,214,102.98
  5. Step 5: Solve for x
    x = 75,669,214,102.98/432,237.10
  6. Step 6: Final answer
    x = 175,064.14

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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.