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Finding the Fourth Proportional to 353,572.62, 530,306.28 and 116,916.54

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Solution

The fourth proportional to 353,572.62, 530,306.28 and 116,916.54 is: 175,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,572.62 : 530,306.28 = 116,916.54 : x
  2. Step 2: Convert to fraction form
    353,572.62/530,306.28 = 116,916.54/x
  3. Step 3: Cross multiply
    353,572.62x = 530,306.28 × 116,916.54
  4. Step 4: Simplify right side
    353,572.62x = 62,001,575,397.87
  5. Step 5: Solve for x
    x = 62,001,575,397.87/353,572.62
  6. Step 6: Final answer
    x = 175,357.40

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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.