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Finding the Fourth Proportional to 586,981.65, 880,661.61 and 267,247.92

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Solution

The fourth proportional to 586,981.65, 880,661.61 and 267,247.92 is: 400,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,981.65 : 880,661.61 = 267,247.92 : x
  2. Step 2: Convert to fraction form
    586,981.65/880,661.61 = 267,247.92/x
  3. Step 3: Cross multiply
    586,981.65x = 880,661.61 × 267,247.92
  4. Step 4: Simplify right side
    586,981.65x = 235,354,983,496.35
  5. Step 5: Solve for x
    x = 235,354,983,496.35/586,981.65
  6. Step 6: Final answer
    x = 400,957.99

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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.