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Finding the Fourth Proportional to 633,873.18, 874,356.39 and 517,755.36

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Solution

The fourth proportional to 633,873.18, 874,356.39 and 517,755.36 is: 714,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,873.18 : 874,356.39 = 517,755.36 : x
  2. Step 2: Convert to fraction form
    633,873.18/874,356.39 = 517,755.36/x
  3. Step 3: Cross multiply
    633,873.18x = 874,356.39 × 517,755.36
  4. Step 4: Simplify right side
    633,873.18x = 452,702,707,472.75
  5. Step 5: Solve for x
    x = 452,702,707,472.75/633,873.18
  6. Step 6: Final answer
    x = 714,184.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.