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Finding the Fourth Proportional to 577,058.88, 864,834.24 and 417,671.68

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Solution

The fourth proportional to 577,058.88, 864,834.24 and 417,671.68 is: 625,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,058.88 : 864,834.24 = 417,671.68 : x
  2. Step 2: Convert to fraction form
    577,058.88/864,834.24 = 417,671.68/x
  3. Step 3: Cross multiply
    577,058.88x = 864,834.24 × 417,671.68
  4. Step 4: Simplify right side
    577,058.88x = 361,216,769,942.32
  5. Step 5: Solve for x
    x = 361,216,769,942.32/577,058.88
  6. Step 6: Final answer
    x = 625,961.72

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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.