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Finding the Fourth Proportional to 944,605.40, 1,416,908.10 and 907,863.80

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Solution

The fourth proportional to 944,605.40, 1,416,908.10 and 907,863.80 is: 1,361,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,605.40 : 1,416,908.10 = 907,863.80 : x
  2. Step 2: Convert to fraction form
    944,605.40/1,416,908.10 = 907,863.80/x
  3. Step 3: Cross multiply
    944,605.40x = 1,416,908.10 × 907,863.80
  4. Step 4: Simplify right side
    944,605.40x = 1,286,359,571,916.78
  5. Step 5: Solve for x
    x = 1,286,359,571,916.78/944,605.40
  6. Step 6: Final answer
    x = 1,361,795.70

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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.