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Finding the Fourth Proportional to 686,776.68, 1,030,119.90 and 237,393

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Solution

The fourth proportional to 686,776.68, 1,030,119.90 and 237,393 is: 356,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,776.68 : 1,030,119.90 = 237,393 : x
  2. Step 2: Convert to fraction form
    686,776.68/1,030,119.90 = 237,393/x
  3. Step 3: Cross multiply
    686,776.68x = 1,030,119.90 × 237,393
  4. Step 4: Simplify right side
    686,776.68x = 244,543,253,420.70
  5. Step 5: Solve for x
    x = 244,543,253,420.70/686,776.68
  6. Step 6: Final answer
    x = 356,073.90

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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.