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Finding the Fourth Proportional to 652,154.04, 978,449.90 and 252,807.84

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Solution

The fourth proportional to 652,154.04, 978,449.90 and 252,807.84 is: 379,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,154.04 : 978,449.90 = 252,807.84 : x
  2. Step 2: Convert to fraction form
    652,154.04/978,449.90 = 252,807.84/x
  3. Step 3: Cross multiply
    652,154.04x = 978,449.90 × 252,807.84
  4. Step 4: Simplify right side
    652,154.04x = 247,359,804,503.18
  5. Step 5: Solve for x
    x = 247,359,804,503.18/652,154.04
  6. Step 6: Final answer
    x = 379,296.59

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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.