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Finding the Fourth Proportional to 484,674.60, 726,720.30 and 248,478.60

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Solution

The fourth proportional to 484,674.60, 726,720.30 and 248,478.60 is: 372,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,674.60 : 726,720.30 = 248,478.60 : x
  2. Step 2: Convert to fraction form
    484,674.60/726,720.30 = 248,478.60/x
  3. Step 3: Cross multiply
    484,674.60x = 726,720.30 × 248,478.60
  4. Step 4: Simplify right side
    484,674.60x = 180,574,442,735.58
  5. Step 5: Solve for x
    x = 180,574,442,735.58/484,674.60
  6. Step 6: Final answer
    x = 372,568.41

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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.