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Finding the Fourth Proportional to 488,551.78, 732,829.32 and 173,017.90

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Solution

The fourth proportional to 488,551.78, 732,829.32 and 173,017.90 is: 259,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,551.78 : 732,829.32 = 173,017.90 : x
  2. Step 2: Convert to fraction form
    488,551.78/732,829.32 = 173,017.90/x
  3. Step 3: Cross multiply
    488,551.78x = 732,829.32 × 173,017.90
  4. Step 4: Simplify right side
    488,551.78x = 126,792,590,004.83
  5. Step 5: Solve for x
    x = 126,792,590,004.83/488,551.78
  6. Step 6: Final answer
    x = 259,527.43

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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.