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Finding the Fourth Proportional to 637,358.36, 955,337.70 and 216,317.12

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Solution

The fourth proportional to 637,358.36, 955,337.70 and 216,317.12 is: 324,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,358.36 : 955,337.70 = 216,317.12 : x
  2. Step 2: Convert to fraction form
    637,358.36/955,337.70 = 216,317.12/x
  3. Step 3: Cross multiply
    637,358.36x = 955,337.70 × 216,317.12
  4. Step 4: Simplify right side
    637,358.36x = 206,655,899,891.42
  5. Step 5: Solve for x
    x = 206,655,899,891.42/637,358.36
  6. Step 6: Final answer
    x = 324,238.16

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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.