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Finding the Fourth Proportional to 996,924.56, 1,375,779.48 and 544,218.80

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Solution

The fourth proportional to 996,924.56, 1,375,779.48 and 544,218.80 is: 751,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,924.56 : 1,375,779.48 = 544,218.80 : x
  2. Step 2: Convert to fraction form
    996,924.56/1,375,779.48 = 544,218.80/x
  3. Step 3: Cross multiply
    996,924.56x = 1,375,779.48 × 544,218.80
  4. Step 4: Simplify right side
    996,924.56x = 748,725,057,670.22
  5. Step 5: Solve for x
    x = 748,725,057,670.22/996,924.56
  6. Step 6: Final answer
    x = 751,034.82

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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.