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Finding the Fourth Proportional to 408,033.80, 612,050.70 and 248,366.60

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Solution

The fourth proportional to 408,033.80, 612,050.70 and 248,366.60 is: 372,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,033.80 : 612,050.70 = 248,366.60 : x
  2. Step 2: Convert to fraction form
    408,033.80/612,050.70 = 248,366.60/x
  3. Step 3: Cross multiply
    408,033.80x = 612,050.70 × 248,366.60
  4. Step 4: Simplify right side
    408,033.80x = 152,012,951,386.62
  5. Step 5: Solve for x
    x = 152,012,951,386.62/408,033.80
  6. Step 6: Final answer
    x = 372,549.90

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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.