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Finding the Fourth Proportional to 360,007.20, 540,010.80 and 248,032.80

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Solution

The fourth proportional to 360,007.20, 540,010.80 and 248,032.80 is: 372,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,007.20 : 540,010.80 = 248,032.80 : x
  2. Step 2: Convert to fraction form
    360,007.20/540,010.80 = 248,032.80/x
  3. Step 3: Cross multiply
    360,007.20x = 540,010.80 × 248,032.80
  4. Step 4: Simplify right side
    360,007.20x = 133,940,390,754.24
  5. Step 5: Solve for x
    x = 133,940,390,754.24/360,007.20
  6. Step 6: Final answer
    x = 372,049.20

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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.