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Finding the Fourth Proportional to 360,007.60, 540,011.40 and 248,033.20

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Solution

The fourth proportional to 360,007.60, 540,011.40 and 248,033.20 is: 372,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,007.60 : 540,011.40 = 248,033.20 : x
  2. Step 2: Convert to fraction form
    360,007.60/540,011.40 = 248,033.20/x
  3. Step 3: Cross multiply
    360,007.60x = 540,011.40 × 248,033.20
  4. Step 4: Simplify right side
    360,007.60x = 133,940,755,578.48
  5. Step 5: Solve for x
    x = 133,940,755,578.48/360,007.60
  6. Step 6: Final answer
    x = 372,049.80

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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.