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Finding the Fourth Proportional to 996,757.68, 1,375,520.76 and 544,047.60

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Solution

The fourth proportional to 996,757.68, 1,375,520.76 and 544,047.60 is: 750,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,757.68 : 1,375,520.76 = 544,047.60 : x
  2. Step 2: Convert to fraction form
    996,757.68/1,375,520.76 = 544,047.60/x
  3. Step 3: Cross multiply
    996,757.68x = 1,375,520.76 × 544,047.60
  4. Step 4: Simplify right side
    996,757.68x = 748,348,768,228.18
  5. Step 5: Solve for x
    x = 748,348,768,228.18/996,757.68
  6. Step 6: Final answer
    x = 750,783.05

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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.