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Finding the Fourth Proportional to 609,550.80, 911,734.20 and 546,824.40

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Solution

The fourth proportional to 609,550.80, 911,734.20 and 546,824.40 is: 817,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,550.80 : 911,734.20 = 546,824.40 : x
  2. Step 2: Convert to fraction form
    609,550.80/911,734.20 = 546,824.40/x
  3. Step 3: Cross multiply
    609,550.80x = 911,734.20 × 546,824.40
  4. Step 4: Simplify right side
    609,550.80x = 498,558,506,874.48
  5. Step 5: Solve for x
    x = 498,558,506,874.48/609,550.80
  6. Step 6: Final answer
    x = 817,911.33

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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.