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Finding the Fourth Proportional to 292,616.88, 438,925.38 and 82,254.88

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Solution

The fourth proportional to 292,616.88, 438,925.38 and 82,254.88 is: 123,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,616.88 : 438,925.38 = 82,254.88 : x
  2. Step 2: Convert to fraction form
    292,616.88/438,925.38 = 82,254.88/x
  3. Step 3: Cross multiply
    292,616.88x = 438,925.38 × 82,254.88
  4. Step 4: Simplify right side
    292,616.88x = 36,103,754,460.85
  5. Step 5: Solve for x
    x = 36,103,754,460.85/292,616.88
  6. Step 6: Final answer
    x = 123,382.34

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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.