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Finding the Fourth Proportional to 898,400.30, 1,347,600.45 and 833,446.40

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Solution

The fourth proportional to 898,400.30, 1,347,600.45 and 833,446.40 is: 1,250,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,400.30 : 1,347,600.45 = 833,446.40 : x
  2. Step 2: Convert to fraction form
    898,400.30/1,347,600.45 = 833,446.40/x
  3. Step 3: Cross multiply
    898,400.30x = 1,347,600.45 × 833,446.40
  4. Step 4: Simplify right side
    898,400.30x = 1,123,152,743,690.88
  5. Step 5: Solve for x
    x = 1,123,152,743,690.88/898,400.30
  6. Step 6: Final answer
    x = 1,250,169.60

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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.