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Finding the Fourth Proportional to 269,440,276.80, 404,160,415.20 and 269,440,276.80

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Solution

The fourth proportional to 269,440,276.80, 404,160,415.20 and 269,440,276.80 is: 404,160,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,440,276.80 : 404,160,415.20 = 269,440,276.80 : x
  2. Step 2: Convert to fraction form
    269,440,276.80/404,160,415.20 = 269,440,276.80/x
  3. Step 3: Cross multiply
    269,440,276.80x = 404,160,415.20 × 269,440,276.80
  4. Step 4: Simplify right side
    269,440,276.80x = 108,897,094,143,090,928
  5. Step 5: Solve for x
    x = 108,897,094,143,090,928/269,440,276.80
  6. Step 6: Final answer
    x = 404,160,415.20

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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.