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Finding the Fourth Proportional to 363,351.56, 500,905.49 and 255,587.13

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Solution

The fourth proportional to 363,351.56, 500,905.49 and 255,587.13 is: 352,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,351.56 : 500,905.49 = 255,587.13 : x
  2. Step 2: Convert to fraction form
    363,351.56/500,905.49 = 255,587.13/x
  3. Step 3: Cross multiply
    363,351.56x = 500,905.49 × 255,587.13
  4. Step 4: Simplify right side
    363,351.56x = 128,024,995,312.41
  5. Step 5: Solve for x
    x = 128,024,995,312.41/363,351.56
  6. Step 6: Final answer
    x = 352,344.70

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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.