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Finding the Fourth Proportional to 353,543.14, 530,397.78 and 116,885.89

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Solution

The fourth proportional to 353,543.14, 530,397.78 and 116,885.89 is: 175,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,543.14 : 530,397.78 = 116,885.89 : x
  2. Step 2: Convert to fraction form
    353,543.14/530,397.78 = 116,885.89/x
  3. Step 3: Cross multiply
    353,543.14x = 530,397.78 × 116,885.89
  4. Step 4: Simplify right side
    353,543.14x = 61,996,016,569.32
  5. Step 5: Solve for x
    x = 61,996,016,569.32/353,543.14
  6. Step 6: Final answer
    x = 175,356.30

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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.