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Finding the Fourth Proportional to 360,520.22, 540,307.28 and 265,304.72

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Solution

The fourth proportional to 360,520.22, 540,307.28 and 265,304.72 is: 397,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,520.22 : 540,307.28 = 265,304.72 : x
  2. Step 2: Convert to fraction form
    360,520.22/540,307.28 = 265,304.72/x
  3. Step 3: Cross multiply
    360,520.22x = 540,307.28 × 265,304.72
  4. Step 4: Simplify right side
    360,520.22x = 143,346,067,606.30
  5. Step 5: Solve for x
    x = 143,346,067,606.30/360,520.22
  6. Step 6: Final answer
    x = 397,608.96

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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.