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Finding the Fourth Proportional to 575,315.32, 861,833.82 and 271,293.16

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Solution

The fourth proportional to 575,315.32, 861,833.82 and 271,293.16 is: 406,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,315.32 : 861,833.82 = 271,293.16 : x
  2. Step 2: Convert to fraction form
    575,315.32/861,833.82 = 271,293.16/x
  3. Step 3: Cross multiply
    575,315.32x = 861,833.82 × 271,293.16
  4. Step 4: Simplify right side
    575,315.32x = 233,809,620,422.67
  5. Step 5: Solve for x
    x = 233,809,620,422.67/575,315.32
  6. Step 6: Final answer
    x = 406,402.56

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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.