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Finding the Fourth Proportional to 292,753.12, 404,000.76 and 158,617.12

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Solution

The fourth proportional to 292,753.12, 404,000.76 and 158,617.12 is: 218,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,753.12 : 404,000.76 = 158,617.12 : x
  2. Step 2: Convert to fraction form
    292,753.12/404,000.76 = 158,617.12/x
  3. Step 3: Cross multiply
    292,753.12x = 404,000.76 × 158,617.12
  4. Step 4: Simplify right side
    292,753.12x = 64,081,437,029.01
  5. Step 5: Solve for x
    x = 64,081,437,029.01/292,753.12
  6. Step 6: Final answer
    x = 218,892.41

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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.