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Finding the Fourth Proportional to 541,858.68, 747,757.08 and 300,140.46

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Solution

The fourth proportional to 541,858.68, 747,757.08 and 300,140.46 is: 414,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,858.68 : 747,757.08 = 300,140.46 : x
  2. Step 2: Convert to fraction form
    541,858.68/747,757.08 = 300,140.46/x
  3. Step 3: Cross multiply
    541,858.68x = 747,757.08 × 300,140.46
  4. Step 4: Simplify right side
    541,858.68x = 224,432,153,959.46
  5. Step 5: Solve for x
    x = 224,432,153,959.46/541,858.68
  6. Step 6: Final answer
    x = 414,189.46

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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.