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Finding the Fourth Proportional to 269,095,276.80, 376,988,479.20 and 269,095,276.80

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Solution

The fourth proportional to 269,095,276.80, 376,988,479.20 and 269,095,276.80 is: 376,988,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,095,276.80 : 376,988,479.20 = 269,095,276.80 : x
  2. Step 2: Convert to fraction form
    269,095,276.80/376,988,479.20 = 269,095,276.80/x
  3. Step 3: Cross multiply
    269,095,276.80x = 376,988,479.20 × 269,095,276.80
  4. Step 4: Simplify right side
    269,095,276.80x = 101,445,819,160,735,040
  5. Step 5: Solve for x
    x = 101,445,819,160,735,040/269,095,276.80
  6. Step 6: Final answer
    x = 376,988,479.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.