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Finding the Fourth Proportional to 805,627.60, 1,207,404.60 and 617,707.60

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Solution

The fourth proportional to 805,627.60, 1,207,404.60 and 617,707.60 is: 925,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,627.60 : 1,207,404.60 = 617,707.60 : x
  2. Step 2: Convert to fraction form
    805,627.60/1,207,404.60 = 617,707.60/x
  3. Step 3: Cross multiply
    805,627.60x = 1,207,404.60 × 617,707.60
  4. Step 4: Simplify right side
    805,627.60x = 745,822,997,694.96
  5. Step 5: Solve for x
    x = 745,822,997,694.96/805,627.60
  6. Step 6: Final answer
    x = 925,766.44

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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.