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Finding the Fourth Proportional to 608,715.18, 913,187.58 and 187,892.64

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Solution

The fourth proportional to 608,715.18, 913,187.58 and 187,892.64 is: 281,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,715.18 : 913,187.58 = 187,892.64 : x
  2. Step 2: Convert to fraction form
    608,715.18/913,187.58 = 187,892.64/x
  3. Step 3: Cross multiply
    608,715.18x = 913,187.58 × 187,892.64
  4. Step 4: Simplify right side
    608,715.18x = 171,581,225,221.41
  5. Step 5: Solve for x
    x = 171,581,225,221.41/608,715.18
  6. Step 6: Final answer
    x = 281,874.40

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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.