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Finding the Fourth Proportional to 662,865.32, 994,337.42 and 207,541.84

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Solution

The fourth proportional to 662,865.32, 994,337.42 and 207,541.84 is: 311,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,865.32 : 994,337.42 = 207,541.84 : x
  2. Step 2: Convert to fraction form
    662,865.32/994,337.42 = 207,541.84/x
  3. Step 3: Cross multiply
    662,865.32x = 994,337.42 × 207,541.84
  4. Step 4: Simplify right side
    662,865.32x = 206,366,617,727.65
  5. Step 5: Solve for x
    x = 206,366,617,727.65/662,865.32
  6. Step 6: Final answer
    x = 311,325.11

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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.