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Finding the Fourth Proportional to 373,067.40, 558,410.40 and 294,335.40

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Solution

The fourth proportional to 373,067.40, 558,410.40 and 294,335.40 is: 440,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,067.40 : 558,410.40 = 294,335.40 : x
  2. Step 2: Convert to fraction form
    373,067.40/558,410.40 = 294,335.40/x
  3. Step 3: Cross multiply
    373,067.40x = 558,410.40 × 294,335.40
  4. Step 4: Simplify right side
    373,067.40x = 164,359,948,448.16
  5. Step 5: Solve for x
    x = 164,359,948,448.16/373,067.40
  6. Step 6: Final answer
    x = 440,563.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.