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Finding the Fourth Proportional to 962,891.70, 1,443,681.45 and 457,694.70

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Solution

The fourth proportional to 962,891.70, 1,443,681.45 and 457,694.70 is: 686,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,891.70 : 1,443,681.45 = 457,694.70 : x
  2. Step 2: Convert to fraction form
    962,891.70/1,443,681.45 = 457,694.70/x
  3. Step 3: Cross multiply
    962,891.70x = 1,443,681.45 × 457,694.70
  4. Step 4: Simplify right side
    962,891.70x = 660,765,348,153.32
  5. Step 5: Solve for x
    x = 660,765,348,153.32/962,891.70
  6. Step 6: Final answer
    x = 686,230.18

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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.