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Finding the Fourth Proportional to 298,001.90, 447,002.85 and 73,360.55

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Solution

The fourth proportional to 298,001.90, 447,002.85 and 73,360.55 is: 110,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,001.90 : 447,002.85 = 73,360.55 : x
  2. Step 2: Convert to fraction form
    298,001.90/447,002.85 = 73,360.55/x
  3. Step 3: Cross multiply
    298,001.90x = 447,002.85 × 73,360.55
  4. Step 4: Simplify right side
    298,001.90x = 32,792,374,927.57
  5. Step 5: Solve for x
    x = 32,792,374,927.57/298,001.90
  6. Step 6: Final answer
    x = 110,040.83

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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.