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Finding the Fourth Proportional to 294,778.40, 441,908.40 and 176,496.80

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Solution

The fourth proportional to 294,778.40, 441,908.40 and 176,496.80 is: 264,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,778.40 : 441,908.40 = 176,496.80 : x
  2. Step 2: Convert to fraction form
    294,778.40/441,908.40 = 176,496.80/x
  3. Step 3: Cross multiply
    294,778.40x = 441,908.40 × 176,496.80
  4. Step 4: Simplify right side
    294,778.40x = 77,995,418,493.12
  5. Step 5: Solve for x
    x = 77,995,418,493.12/294,778.40
  6. Step 6: Final answer
    x = 264,590.01

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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.