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Finding the Fourth Proportional to 322,894.17, 484,341.66 and 154,374.89

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Solution

The fourth proportional to 322,894.17, 484,341.66 and 154,374.89 is: 231,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,894.17 : 484,341.66 = 154,374.89 : x
  2. Step 2: Convert to fraction form
    322,894.17/484,341.66 = 154,374.89/x
  3. Step 3: Cross multiply
    322,894.17x = 484,341.66 × 154,374.89
  4. Step 4: Simplify right side
    322,894.17x = 74,770,188,063.21
  5. Step 5: Solve for x
    x = 74,770,188,063.21/322,894.17
  6. Step 6: Final answer
    x = 231,562.52

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1.5x scale

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.