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Finding the Fourth Proportional to 498,627.52, 687,717.84 and 441,328.48

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Solution

The fourth proportional to 498,627.52, 687,717.84 and 441,328.48 is: 608,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,627.52 : 687,717.84 = 441,328.48 : x
  2. Step 2: Convert to fraction form
    498,627.52/687,717.84 = 441,328.48/x
  3. Step 3: Cross multiply
    498,627.52x = 687,717.84 × 441,328.48
  4. Step 4: Simplify right side
    498,627.52x = 303,509,468,996.08
  5. Step 5: Solve for x
    x = 303,509,468,996.08/498,627.52
  6. Step 6: Final answer
    x = 608,689.77

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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.