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Finding the Fourth Proportional to 586,919.20, 880,119.60 and 231,815.20

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Solution

The fourth proportional to 586,919.20, 880,119.60 and 231,815.20 is: 347,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,919.20 : 880,119.60 = 231,815.20 : x
  2. Step 2: Convert to fraction form
    586,919.20/880,119.60 = 231,815.20/x
  3. Step 3: Cross multiply
    586,919.20x = 880,119.60 × 231,815.20
  4. Step 4: Simplify right side
    586,919.20x = 204,025,101,097.92
  5. Step 5: Solve for x
    x = 204,025,101,097.92/586,919.20
  6. Step 6: Final answer
    x = 347,620.42

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1.5x scale

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.