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Finding the Fourth Proportional to 471,251.20, 658,352 and 471,251.20

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Solution

The fourth proportional to 471,251.20, 658,352 and 471,251.20 is: 658,352

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,251.20 : 658,352 = 471,251.20 : x
  2. Step 2: Convert to fraction form
    471,251.20/658,352 = 471,251.20/x
  3. Step 3: Cross multiply
    471,251.20x = 658,352 × 471,251.20
  4. Step 4: Simplify right side
    471,251.20x = 310,249,170,022.40
  5. Step 5: Solve for x
    x = 310,249,170,022.40/471,251.20
  6. Step 6: Final answer
    x = 658,352

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.