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Finding the Fourth Proportional to 898,382.80, 1,347,574.20 and 833,428.90

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Solution

The fourth proportional to 898,382.80, 1,347,574.20 and 833,428.90 is: 1,250,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,382.80 : 1,347,574.20 = 833,428.90 : x
  2. Step 2: Convert to fraction form
    898,382.80/1,347,574.20 = 833,428.90/x
  3. Step 3: Cross multiply
    898,382.80x = 1,347,574.20 × 833,428.90
  4. Step 4: Simplify right side
    898,382.80x = 1,123,107,283,174.38
  5. Step 5: Solve for x
    x = 1,123,107,283,174.38/898,382.80
  6. Step 6: Final answer
    x = 1,250,143.35

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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.