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Finding the Fourth Proportional to 360,061.44, 539,622.40 and 193,653.76

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Solution

The fourth proportional to 360,061.44, 539,622.40 and 193,653.76 is: 290,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,061.44 : 539,622.40 = 193,653.76 : x
  2. Step 2: Convert to fraction form
    360,061.44/539,622.40 = 193,653.76/x
  3. Step 3: Cross multiply
    360,061.44x = 539,622.40 × 193,653.76
  4. Step 4: Simplify right side
    360,061.44x = 104,499,906,740.22
  5. Step 5: Solve for x
    x = 104,499,906,740.22/360,061.44
  6. Step 6: Final answer
    x = 290,227.99

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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.