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Finding the Fourth Proportional to 386,575.88, 533,707.99 and 252,673.16

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Solution

The fourth proportional to 386,575.88, 533,707.99 and 252,673.16 is: 348,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,575.88 : 533,707.99 = 252,673.16 : x
  2. Step 2: Convert to fraction form
    386,575.88/533,707.99 = 252,673.16/x
  3. Step 3: Cross multiply
    386,575.88x = 533,707.99 × 252,673.16
  4. Step 4: Simplify right side
    386,575.88x = 134,853,681,050.33
  5. Step 5: Solve for x
    x = 134,853,681,050.33/386,575.88
  6. Step 6: Final answer
    x = 348,841.43

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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.