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Finding the Fourth Proportional to 544,472.32, 751,575.04 and 318,190.08

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Solution

The fourth proportional to 544,472.32, 751,575.04 and 318,190.08 is: 439,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,472.32 : 751,575.04 = 318,190.08 : x
  2. Step 2: Convert to fraction form
    544,472.32/751,575.04 = 318,190.08/x
  3. Step 3: Cross multiply
    544,472.32x = 751,575.04 × 318,190.08
  4. Step 4: Simplify right side
    544,472.32x = 239,143,722,103.60
  5. Step 5: Solve for x
    x = 239,143,722,103.60/544,472.32
  6. Step 6: Final answer
    x = 439,221.08

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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.