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Finding the Fourth Proportional to 276,466.80, 413,904.68 and 247,618.45

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Solution

The fourth proportional to 276,466.80, 413,904.68 and 247,618.45 is: 370,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,466.80 : 413,904.68 = 247,618.45 : x
  2. Step 2: Convert to fraction form
    276,466.80/413,904.68 = 247,618.45/x
  3. Step 3: Cross multiply
    276,466.80x = 413,904.68 × 247,618.45
  4. Step 4: Simplify right side
    276,466.80x = 102,490,435,928.39
  5. Step 5: Solve for x
    x = 102,490,435,928.39/276,466.80
  6. Step 6: Final answer
    x = 370,715.16

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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.