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Finding the Fourth Proportional to 441,332.20, 660,686.10 and 441,332.20

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Solution

The fourth proportional to 441,332.20, 660,686.10 and 441,332.20 is: 660,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,332.20 : 660,686.10 = 441,332.20 : x
  2. Step 2: Convert to fraction form
    441,332.20/660,686.10 = 441,332.20/x
  3. Step 3: Cross multiply
    441,332.20x = 660,686.10 × 441,332.20
  4. Step 4: Simplify right side
    441,332.20x = 291,582,050,022.42
  5. Step 5: Solve for x
    x = 291,582,050,022.42/441,332.20
  6. Step 6: Final answer
    x = 660,686.10

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1.5x scale

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.