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Finding the Fourth Proportional to 561,951.20, 842,926.80 and 349,374.80

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Solution

The fourth proportional to 561,951.20, 842,926.80 and 349,374.80 is: 524,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,951.20 : 842,926.80 = 349,374.80 : x
  2. Step 2: Convert to fraction form
    561,951.20/842,926.80 = 349,374.80/x
  3. Step 3: Cross multiply
    561,951.20x = 842,926.80 × 349,374.80
  4. Step 4: Simplify right side
    561,951.20x = 294,497,382,164.64
  5. Step 5: Solve for x
    x = 294,497,382,164.64/561,951.20
  6. Step 6: Final answer
    x = 524,062.20

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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.