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Finding the Fourth Proportional to 474,850.40, 655,356.18 and 270,854.60

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Solution

The fourth proportional to 474,850.40, 655,356.18 and 270,854.60 is: 373,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,850.40 : 655,356.18 = 270,854.60 : x
  2. Step 2: Convert to fraction form
    474,850.40/655,356.18 = 270,854.60/x
  3. Step 3: Cross multiply
    474,850.40x = 655,356.18 × 270,854.60
  4. Step 4: Simplify right side
    474,850.40x = 177,506,235,991.43
  5. Step 5: Solve for x
    x = 177,506,235,991.43/474,850.40
  6. Step 6: Final answer
    x = 373,815.07

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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.