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Finding the Fourth Proportional to 898,305.70, 1,347,458.55 and 886,495.90

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Solution

The fourth proportional to 898,305.70, 1,347,458.55 and 886,495.90 is: 1,329,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,305.70 : 1,347,458.55 = 886,495.90 : x
  2. Step 2: Convert to fraction form
    898,305.70/1,347,458.55 = 886,495.90/x
  3. Step 3: Cross multiply
    898,305.70x = 1,347,458.55 × 886,495.90
  4. Step 4: Simplify right side
    898,305.70x = 1,194,516,479,994.95
  5. Step 5: Solve for x
    x = 1,194,516,479,994.95/898,305.70
  6. Step 6: Final answer
    x = 1,329,743.85

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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.