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Finding the Fourth Proportional to 733,616.80, 1,100,425.20 and 607,645.60

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Solution

The fourth proportional to 733,616.80, 1,100,425.20 and 607,645.60 is: 911,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,616.80 : 1,100,425.20 = 607,645.60 : x
  2. Step 2: Convert to fraction form
    733,616.80/1,100,425.20 = 607,645.60/x
  3. Step 3: Cross multiply
    733,616.80x = 1,100,425.20 × 607,645.60
  4. Step 4: Simplify right side
    733,616.80x = 668,668,530,909.12
  5. Step 5: Solve for x
    x = 668,668,530,909.12/733,616.80
  6. Step 6: Final answer
    x = 911,468.40

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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.