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Finding the Fourth Proportional to 329,726.70, 494,590.05 and 152,579.70

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Solution

The fourth proportional to 329,726.70, 494,590.05 and 152,579.70 is: 228,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,726.70 : 494,590.05 = 152,579.70 : x
  2. Step 2: Convert to fraction form
    329,726.70/494,590.05 = 152,579.70/x
  3. Step 3: Cross multiply
    329,726.70x = 494,590.05 × 152,579.70
  4. Step 4: Simplify right side
    329,726.70x = 75,464,401,451.99
  5. Step 5: Solve for x
    x = 75,464,401,451.99/329,726.70
  6. Step 6: Final answer
    x = 228,869.55

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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.