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Finding the Fourth Proportional to 996,561, 1,375,253.80 and 543,852

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Solution

The fourth proportional to 996,561, 1,375,253.80 and 543,852 is: 750,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,561 : 1,375,253.80 = 543,852 : x
  2. Step 2: Convert to fraction form
    996,561/1,375,253.80 = 543,852/x
  3. Step 3: Cross multiply
    996,561x = 1,375,253.80 × 543,852
  4. Step 4: Simplify right side
    996,561x = 747,934,529,637.60
  5. Step 5: Solve for x
    x = 747,934,529,637.60/996,561
  6. Step 6: Final answer
    x = 750,515.55

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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.