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Finding the Fourth Proportional to 360,372.17, 497,231.08 and 215,149.68

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Solution

The fourth proportional to 360,372.17, 497,231.08 and 215,149.68 is: 296,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,372.17 : 497,231.08 = 215,149.68 : x
  2. Step 2: Convert to fraction form
    360,372.17/497,231.08 = 215,149.68/x
  3. Step 3: Cross multiply
    360,372.17x = 497,231.08 × 215,149.68
  4. Step 4: Simplify right side
    360,372.17x = 106,979,107,210.18
  5. Step 5: Solve for x
    x = 106,979,107,210.18/360,372.17
  6. Step 6: Final answer
    x = 296,857.29

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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.