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Finding the Fourth Proportional to 353,646.10, 530,469.32 and 116,988.78

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Solution

The fourth proportional to 353,646.10, 530,469.32 and 116,988.78 is: 175,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,646.10 : 530,469.32 = 116,988.78 : x
  2. Step 2: Convert to fraction form
    353,646.10/530,469.32 = 116,988.78/x
  3. Step 3: Cross multiply
    353,646.10x = 530,469.32 × 116,988.78
  4. Step 4: Simplify right side
    353,646.10x = 62,058,957,989.29
  5. Step 5: Solve for x
    x = 62,058,957,989.29/353,646.10
  6. Step 6: Final answer
    x = 175,483.23

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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.