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Finding the Fourth Proportional to 484,044.30, 726,066.45 and 445,337.10

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Solution

The fourth proportional to 484,044.30, 726,066.45 and 445,337.10 is: 668,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,044.30 : 726,066.45 = 445,337.10 : x
  2. Step 2: Convert to fraction form
    484,044.30/726,066.45 = 445,337.10/x
  3. Step 3: Cross multiply
    484,044.30x = 726,066.45 × 445,337.10
  4. Step 4: Simplify right side
    484,044.30x = 323,344,327,250.30
  5. Step 5: Solve for x
    x = 323,344,327,250.30/484,044.30
  6. Step 6: Final answer
    x = 668,005.65

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Double scale
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Similar ratio
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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.