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Finding the Fourth Proportional to 292,864.88, 404,153.88 and 158,728.88

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Solution

The fourth proportional to 292,864.88, 404,153.88 and 158,728.88 is: 219,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,864.88 : 404,153.88 = 158,728.88 : x
  2. Step 2: Convert to fraction form
    292,864.88/404,153.88 = 158,728.88/x
  3. Step 3: Cross multiply
    292,864.88x = 404,153.88 × 158,728.88
  4. Step 4: Simplify right side
    292,864.88x = 64,150,892,720.05
  5. Step 5: Solve for x
    x = 64,150,892,720.05/292,864.88
  6. Step 6: Final answer
    x = 219,046.04

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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.