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Finding the Fourth Proportional to 580,414.28, 870,631.67 and 201,348.41

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Solution

The fourth proportional to 580,414.28, 870,631.67 and 201,348.41 is: 302,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,414.28 : 870,631.67 = 201,348.41 : x
  2. Step 2: Convert to fraction form
    580,414.28/870,631.67 = 201,348.41/x
  3. Step 3: Cross multiply
    580,414.28x = 870,631.67 × 201,348.41
  4. Step 4: Simplify right side
    580,414.28x = 175,300,298,600.36
  5. Step 5: Solve for x
    x = 175,300,298,600.36/580,414.28
  6. Step 6: Final answer
    x = 302,026.17

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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.