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Finding the Fourth Proportional to 373,353.59, 515,227.00 and 203,587.71

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Solution

The fourth proportional to 373,353.59, 515,227.00 and 203,587.71 is: 280,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,353.59 : 515,227.00 = 203,587.71 : x
  2. Step 2: Convert to fraction form
    373,353.59/515,227.00 = 203,587.71/x
  3. Step 3: Cross multiply
    373,353.59x = 515,227.00 × 203,587.71
  4. Step 4: Simplify right side
    373,353.59x = 104,893,884,551.20
  5. Step 5: Solve for x
    x = 104,893,884,551.20/373,353.59
  6. Step 6: Final answer
    x = 280,950.52

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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.