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Finding the Fourth Proportional to 586,925.20, 880,128.60 and 231,821.20

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Solution

The fourth proportional to 586,925.20, 880,128.60 and 231,821.20 is: 347,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,925.20 : 880,128.60 = 231,821.20 : x
  2. Step 2: Convert to fraction form
    586,925.20/880,128.60 = 231,821.20/x
  3. Step 3: Cross multiply
    586,925.20x = 880,128.60 × 231,821.20
  4. Step 4: Simplify right side
    586,925.20x = 204,032,468,206.32
  5. Step 5: Solve for x
    x = 204,032,468,206.32/586,925.20
  6. Step 6: Final answer
    x = 347,629.42

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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.