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Finding the Fourth Proportional to 360,777.52, 540,648.54 and 202,673.20

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Solution

The fourth proportional to 360,777.52, 540,648.54 and 202,673.20 is: 303,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,777.52 : 540,648.54 = 202,673.20 : x
  2. Step 2: Convert to fraction form
    360,777.52/540,648.54 = 202,673.20/x
  3. Step 3: Cross multiply
    360,777.52x = 540,648.54 × 202,673.20
  4. Step 4: Simplify right side
    360,777.52x = 109,574,969,677.13
  5. Step 5: Solve for x
    x = 109,574,969,677.13/360,777.52
  6. Step 6: Final answer
    x = 303,718.95

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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.