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Finding the Fourth Proportional to 577,937.60, 866,906.40 and 298,001.60

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Solution

The fourth proportional to 577,937.60, 866,906.40 and 298,001.60 is: 447,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,937.60 : 866,906.40 = 298,001.60 : x
  2. Step 2: Convert to fraction form
    577,937.60/866,906.40 = 298,001.60/x
  3. Step 3: Cross multiply
    577,937.60x = 866,906.40 × 298,001.60
  4. Step 4: Simplify right side
    577,937.60x = 258,339,494,250.24
  5. Step 5: Solve for x
    x = 258,339,494,250.24/577,937.60
  6. Step 6: Final answer
    x = 447,002.40

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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.