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Finding the Fourth Proportional to 541,854.32, 747,725.98 and 300,122.56

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Solution

The fourth proportional to 541,854.32, 747,725.98 and 300,122.56 is: 414,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,854.32 : 747,725.98 = 300,122.56 : x
  2. Step 2: Convert to fraction form
    541,854.32/747,725.98 = 300,122.56/x
  3. Step 3: Cross multiply
    541,854.32x = 747,725.98 × 300,122.56
  4. Step 4: Simplify right side
    541,854.32x = 224,409,435,296.11
  5. Step 5: Solve for x
    x = 224,409,435,296.11/541,854.32
  6. Step 6: Final answer
    x = 414,150.86

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1.5x scale

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.