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Finding the Fourth Proportional to 398,310.60, 596,886.33 and 246,182.88

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Solution

The fourth proportional to 398,310.60, 596,886.33 and 246,182.88 is: 368,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,310.60 : 596,886.33 = 246,182.88 : x
  2. Step 2: Convert to fraction form
    398,310.60/596,886.33 = 246,182.88/x
  3. Step 3: Cross multiply
    398,310.60x = 596,886.33 × 246,182.88
  4. Step 4: Simplify right side
    398,310.60x = 146,943,195,752.03
  5. Step 5: Solve for x
    x = 146,943,195,752.03/398,310.60
  6. Step 6: Final answer
    x = 368,916.11

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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.