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Finding the Fourth Proportional to 3,375,978.76, 4,658,850.32 and 1,827,240.18

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Solution

The fourth proportional to 3,375,978.76, 4,658,850.32 and 1,827,240.18 is: 2,521,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375,978.76 : 4,658,850.32 = 1,827,240.18 : x
  2. Step 2: Convert to fraction form
    3,375,978.76/4,658,850.32 = 1,827,240.18/x
  3. Step 3: Cross multiply
    3,375,978.76x = 4,658,850.32 × 1,827,240.18
  4. Step 4: Simplify right side
    3,375,978.76x = 8,512,838,497,309.86
  5. Step 5: Solve for x
    x = 8,512,838,497,309.86/3,375,978.76
  6. Step 6: Final answer
    x = 2,521,591.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.