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Finding the Fourth Proportional to 703,982.88, 971,134.92 and 462,230.28

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Solution

The fourth proportional to 703,982.88, 971,134.92 and 462,230.28 is: 637,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,982.88 : 971,134.92 = 462,230.28 : x
  2. Step 2: Convert to fraction form
    703,982.88/971,134.92 = 462,230.28/x
  3. Step 3: Cross multiply
    703,982.88x = 971,134.92 × 462,230.28
  4. Step 4: Simplify right side
    703,982.88x = 448,887,965,989.38
  5. Step 5: Solve for x
    x = 448,887,965,989.38/703,982.88
  6. Step 6: Final answer
    x = 637,640.46

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.