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Finding the Fourth Proportional to 486,515.43, 729,773.10 and 249,707.07

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Solution

The fourth proportional to 486,515.43, 729,773.10 and 249,707.07 is: 374,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,515.43 : 729,773.10 = 249,707.07 : x
  2. Step 2: Convert to fraction form
    486,515.43/729,773.10 = 249,707.07/x
  3. Step 3: Cross multiply
    486,515.43x = 729,773.10 × 249,707.07
  4. Step 4: Simplify right side
    486,515.43x = 182,229,502,565.82
  5. Step 5: Solve for x
    x = 182,229,502,565.82/486,515.43
  6. Step 6: Final answer
    x = 374,560.58

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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.