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Finding the Fourth Proportional to 486,578.81, 730,024.35 and 233,877.65

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Solution

The fourth proportional to 486,578.81, 730,024.35 and 233,877.65 is: 350,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,578.81 : 730,024.35 = 233,877.65 : x
  2. Step 2: Convert to fraction form
    486,578.81/730,024.35 = 233,877.65/x
  3. Step 3: Cross multiply
    486,578.81x = 730,024.35 × 233,877.65
  4. Step 4: Simplify right side
    486,578.81x = 170,736,374,893.62
  5. Step 5: Solve for x
    x = 170,736,374,893.62/486,578.81
  6. Step 6: Final answer
    x = 350,891.51

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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.