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Finding the Fourth Proportional to 353,458.38, 530,420.84 and 187,363.02

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Solution

The fourth proportional to 353,458.38, 530,420.84 and 187,363.02 is: 281,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,458.38 : 530,420.84 = 187,363.02 : x
  2. Step 2: Convert to fraction form
    353,458.38/530,420.84 = 187,363.02/x
  3. Step 3: Cross multiply
    353,458.38x = 530,420.84 × 187,363.02
  4. Step 4: Simplify right side
    353,458.38x = 99,381,250,453.34
  5. Step 5: Solve for x
    x = 99,381,250,453.34/353,458.38
  6. Step 6: Final answer
    x = 281,168.18

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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.