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Finding the Fourth Proportional to 619,863.65, 929,434.19 and 240,341

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Solution

The fourth proportional to 619,863.65, 929,434.19 and 240,341 is: 360,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,863.65 : 929,434.19 = 240,341 : x
  2. Step 2: Convert to fraction form
    619,863.65/929,434.19 = 240,341/x
  3. Step 3: Cross multiply
    619,863.65x = 929,434.19 × 240,341
  4. Step 4: Simplify right side
    619,863.65x = 223,381,142,658.79
  5. Step 5: Solve for x
    x = 223,381,142,658.79/619,863.65
  6. Step 6: Final answer
    x = 360,371.42

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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.