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Finding the Fourth Proportional to 575,118.96, 862,265.84 and 219,833.52

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Solution

The fourth proportional to 575,118.96, 862,265.84 and 219,833.52 is: 329,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,118.96 : 862,265.84 = 219,833.52 : x
  2. Step 2: Convert to fraction form
    575,118.96/862,265.84 = 219,833.52/x
  3. Step 3: Cross multiply
    575,118.96x = 862,265.84 × 219,833.52
  4. Step 4: Simplify right side
    575,118.96x = 189,554,934,782.96
  5. Step 5: Solve for x
    x = 189,554,934,782.96/575,118.96
  6. Step 6: Final answer
    x = 329,592.57

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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.