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Finding the Fourth Proportional to 408,151.80, 612,227.70 and 295,302.60

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Solution

The fourth proportional to 408,151.80, 612,227.70 and 295,302.60 is: 442,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,151.80 : 612,227.70 = 295,302.60 : x
  2. Step 2: Convert to fraction form
    408,151.80/612,227.70 = 295,302.60/x
  3. Step 3: Cross multiply
    408,151.80x = 612,227.70 × 295,302.60
  4. Step 4: Simplify right side
    408,151.80x = 180,792,431,602.02
  5. Step 5: Solve for x
    x = 180,792,431,602.02/408,151.80
  6. Step 6: Final answer
    x = 442,953.90

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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.