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Finding the Fourth Proportional to 267,083,132.40, 400,624,698.60 and 240,723,658.80

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Solution

The fourth proportional to 267,083,132.40, 400,624,698.60 and 240,723,658.80 is: 361,085,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,083,132.40 : 400,624,698.60 = 240,723,658.80 : x
  2. Step 2: Convert to fraction form
    267,083,132.40/400,624,698.60 = 240,723,658.80/x
  3. Step 3: Cross multiply
    267,083,132.40x = 400,624,698.60 × 240,723,658.80
  4. Step 4: Simplify right side
    267,083,132.40x = 96,439,843,252,639,248
  5. Step 5: Solve for x
    x = 96,439,843,252,639,248/267,083,132.40
  6. Step 6: Final answer
    x = 361,085,488.20

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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.