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Finding the Fourth Proportional to 341,320.86, 512,209.84 and 141,641.46

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Solution

The fourth proportional to 341,320.86, 512,209.84 and 141,641.46 is: 212,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,320.86 : 512,209.84 = 141,641.46 : x
  2. Step 2: Convert to fraction form
    341,320.86/512,209.84 = 141,641.46/x
  3. Step 3: Cross multiply
    341,320.86x = 512,209.84 × 141,641.46
  4. Step 4: Simplify right side
    341,320.86x = 72,550,149,563.97
  5. Step 5: Solve for x
    x = 72,550,149,563.97/341,320.86
  6. Step 6: Final answer
    x = 212,557.03

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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.