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Finding the Fourth Proportional to 650,449.76, 897,591.36 and 360,072.20

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Solution

The fourth proportional to 650,449.76, 897,591.36 and 360,072.20 is: 496,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,449.76 : 897,591.36 = 360,072.20 : x
  2. Step 2: Convert to fraction form
    650,449.76/897,591.36 = 360,072.20/x
  3. Step 3: Cross multiply
    650,449.76x = 897,591.36 × 360,072.20
  4. Step 4: Simplify right side
    650,449.76x = 323,197,695,696.19
  5. Step 5: Solve for x
    x = 323,197,695,696.19/650,449.76
  6. Step 6: Final answer
    x = 496,883.41

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1.5x scale

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.