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Finding the Fourth Proportional to 541,854.68, 747,751.56 and 300,136.46

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Solution

The fourth proportional to 541,854.68, 747,751.56 and 300,136.46 is: 414,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,854.68 : 747,751.56 = 300,136.46 : x
  2. Step 2: Convert to fraction form
    541,854.68/747,751.56 = 300,136.46/x
  3. Step 3: Cross multiply
    541,854.68x = 747,751.56 × 300,136.46
  4. Step 4: Simplify right side
    541,854.68x = 224,427,506,177.88
  5. Step 5: Solve for x
    x = 224,427,506,177.88/541,854.68
  6. Step 6: Final answer
    x = 414,183.94

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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.