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Finding the Fourth Proportional to 994,301.20, 1,491,970.20 and 433,392.40

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Solution

The fourth proportional to 994,301.20, 1,491,970.20 and 433,392.40 is: 650,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,301.20 : 1,491,970.20 = 433,392.40 : x
  2. Step 2: Convert to fraction form
    994,301.20/1,491,970.20 = 433,392.40/x
  3. Step 3: Cross multiply
    994,301.20x = 1,491,970.20 × 433,392.40
  4. Step 4: Simplify right side
    994,301.20x = 646,608,545,706.48
  5. Step 5: Solve for x
    x = 646,608,545,706.48/994,301.20
  6. Step 6: Final answer
    x = 650,314.56

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1.5x scale

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.