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Finding the Fourth Proportional to 670,732.48, 925,610.14 and 384,253.70

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Solution

The fourth proportional to 670,732.48, 925,610.14 and 384,253.70 is: 530,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,732.48 : 925,610.14 = 384,253.70 : x
  2. Step 2: Convert to fraction form
    670,732.48/925,610.14 = 384,253.70/x
  3. Step 3: Cross multiply
    670,732.48x = 925,610.14 × 384,253.70
  4. Step 4: Simplify right side
    670,732.48x = 355,669,121,052.52
  5. Step 5: Solve for x
    x = 355,669,121,052.52/670,732.48
  6. Step 6: Final answer
    x = 530,269.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.