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Finding the Fourth Proportional to 698,708.43, 963,532.67 and 443,616.75

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Solution

The fourth proportional to 698,708.43, 963,532.67 and 443,616.75 is: 611,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,708.43 : 963,532.67 = 443,616.75 : x
  2. Step 2: Convert to fraction form
    698,708.43/963,532.67 = 443,616.75/x
  3. Step 3: Cross multiply
    698,708.43x = 963,532.67 × 443,616.75
  4. Step 4: Simplify right side
    698,708.43x = 427,439,229,366.14
  5. Step 5: Solve for x
    x = 427,439,229,366.14/698,708.43
  6. Step 6: Final answer
    x = 611,756.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.