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Finding the Fourth Proportional to 555,449.04, 832,057.92 and 255,512.52

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Solution

The fourth proportional to 555,449.04, 832,057.92 and 255,512.52 is: 382,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,449.04 : 832,057.92 = 255,512.52 : x
  2. Step 2: Convert to fraction form
    555,449.04/832,057.92 = 255,512.52/x
  3. Step 3: Cross multiply
    555,449.04x = 832,057.92 × 255,512.52
  4. Step 4: Simplify right side
    555,449.04x = 212,601,215,925.16
  5. Step 5: Solve for x
    x = 212,601,215,925.16/555,449.04
  6. Step 6: Final answer
    x = 382,755.57

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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.