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Finding the Fourth Proportional to 542,899.80, 749,202.66 and 301,182.42

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Solution

The fourth proportional to 542,899.80, 749,202.66 and 301,182.42 is: 415,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,899.80 : 749,202.66 = 301,182.42 : x
  2. Step 2: Convert to fraction form
    542,899.80/749,202.66 = 301,182.42/x
  3. Step 3: Cross multiply
    542,899.80x = 749,202.66 × 301,182.42
  4. Step 4: Simplify right side
    542,899.80x = 225,646,670,209.24
  5. Step 5: Solve for x
    x = 225,646,670,209.24/542,899.80
  6. Step 6: Final answer
    x = 415,632.26

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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.