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Finding the Fourth Proportional to 608,143.15, 910,902.53 and 503,167.15

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Solution

The fourth proportional to 608,143.15, 910,902.53 and 503,167.15 is: 753,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,143.15 : 910,902.53 = 503,167.15 : x
  2. Step 2: Convert to fraction form
    608,143.15/910,902.53 = 503,167.15/x
  3. Step 3: Cross multiply
    608,143.15x = 910,902.53 × 503,167.15
  4. Step 4: Simplify right side
    608,143.15x = 458,336,227,432.05
  5. Step 5: Solve for x
    x = 458,336,227,432.05/608,143.15
  6. Step 6: Final answer
    x = 753,665.03

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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.