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Finding the Fourth Proportional to 652,187.80, 978,281.70 and 372,251.80

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Solution

The fourth proportional to 652,187.80, 978,281.70 and 372,251.80 is: 558,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,187.80 : 978,281.70 = 372,251.80 : x
  2. Step 2: Convert to fraction form
    652,187.80/978,281.70 = 372,251.80/x
  3. Step 3: Cross multiply
    652,187.80x = 978,281.70 × 372,251.80
  4. Step 4: Simplify right side
    652,187.80x = 364,167,123,732.06
  5. Step 5: Solve for x
    x = 364,167,123,732.06/652,187.80
  6. Step 6: Final answer
    x = 558,377.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.