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Finding the Fourth Proportional to 555,442.97, 832,494.38 and 255,512.12

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Solution

The fourth proportional to 555,442.97, 832,494.38 and 255,512.12 is: 382,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,442.97 : 832,494.38 = 255,512.12 : x
  2. Step 2: Convert to fraction form
    555,442.97/832,494.38 = 255,512.12/x
  3. Step 3: Cross multiply
    555,442.97x = 832,494.38 × 255,512.12
  4. Step 4: Simplify right side
    555,442.97x = 212,712,398,481.85
  5. Step 5: Solve for x
    x = 212,712,398,481.85/555,442.97
  6. Step 6: Final answer
    x = 382,959.93

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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.