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Finding the Fourth Proportional to 467,179.20, 655,822.35 and 467,179.20

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Solution

The fourth proportional to 467,179.20, 655,822.35 and 467,179.20 is: 655,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,179.20 : 655,822.35 = 467,179.20 : x
  2. Step 2: Convert to fraction form
    467,179.20/655,822.35 = 467,179.20/x
  3. Step 3: Cross multiply
    467,179.20x = 655,822.35 × 467,179.20
  4. Step 4: Simplify right side
    467,179.20x = 306,386,560,815.12
  5. Step 5: Solve for x
    x = 306,386,560,815.12/467,179.20
  6. Step 6: Final answer
    x = 655,822.35

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1.5x scale

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.