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Finding the Fourth Proportional to 360,261.60, 539,809.20 and 226,903.20

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Solution

The fourth proportional to 360,261.60, 539,809.20 and 226,903.20 is: 339,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,261.60 : 539,809.20 = 226,903.20 : x
  2. Step 2: Convert to fraction form
    360,261.60/539,809.20 = 226,903.20/x
  3. Step 3: Cross multiply
    360,261.60x = 539,809.20 × 226,903.20
  4. Step 4: Simplify right side
    360,261.60x = 122,484,434,869.44
  5. Step 5: Solve for x
    x = 122,484,434,869.44/360,261.60
  6. Step 6: Final answer
    x = 339,987.48

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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.