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Finding the Fourth Proportional to 709,167.04, 1,063,439.28 and 265,624

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Solution

The fourth proportional to 709,167.04, 1,063,439.28 and 265,624 is: 398,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,167.04 : 1,063,439.28 = 265,624 : x
  2. Step 2: Convert to fraction form
    709,167.04/1,063,439.28 = 265,624/x
  3. Step 3: Cross multiply
    709,167.04x = 1,063,439.28 × 265,624
  4. Step 4: Simplify right side
    709,167.04x = 282,474,995,310.72
  5. Step 5: Solve for x
    x = 282,474,995,310.72/709,167.04
  6. Step 6: Final answer
    x = 398,319.41

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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.