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Finding the Fourth Proportional to 577,392.75, 866,449.98 and 277,904.97

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Solution

The fourth proportional to 577,392.75, 866,449.98 and 277,904.97 is: 417,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,392.75 : 866,449.98 = 277,904.97 : x
  2. Step 2: Convert to fraction form
    577,392.75/866,449.98 = 277,904.97/x
  3. Step 3: Cross multiply
    577,392.75x = 866,449.98 × 277,904.97
  4. Step 4: Simplify right side
    577,392.75x = 240,790,755,698.40
  5. Step 5: Solve for x
    x = 240,790,755,698.40/577,392.75
  6. Step 6: Final answer
    x = 417,031.14

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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.