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Finding the Fourth Proportional to 432,560.52, 648,855.36 and 117,020.16

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Solution

The fourth proportional to 432,560.52, 648,855.36 and 117,020.16 is: 175,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,560.52 : 648,855.36 = 117,020.16 : x
  2. Step 2: Convert to fraction form
    432,560.52/648,855.36 = 117,020.16/x
  3. Step 3: Cross multiply
    432,560.52x = 648,855.36 × 117,020.16
  4. Step 4: Simplify right side
    432,560.52x = 75,929,158,044.06
  5. Step 5: Solve for x
    x = 75,929,158,044.06/432,560.52
  6. Step 6: Final answer
    x = 175,534.18

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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.