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Finding the Fourth Proportional to 652,270.70, 978,406.05 and 594,209.90

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Solution

The fourth proportional to 652,270.70, 978,406.05 and 594,209.90 is: 891,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,270.70 : 978,406.05 = 594,209.90 : x
  2. Step 2: Convert to fraction form
    652,270.70/978,406.05 = 594,209.90/x
  3. Step 3: Cross multiply
    652,270.70x = 978,406.05 × 594,209.90
  4. Step 4: Simplify right side
    652,270.70x = 581,378,561,129.90
  5. Step 5: Solve for x
    x = 581,378,561,129.90/652,270.70
  6. Step 6: Final answer
    x = 891,314.85

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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.