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Finding the Fourth Proportional to 303,346.65, 454,801.28 and 170,267.70

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Solution

The fourth proportional to 303,346.65, 454,801.28 and 170,267.70 is: 255,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,346.65 : 454,801.28 = 170,267.70 : x
  2. Step 2: Convert to fraction form
    303,346.65/454,801.28 = 170,267.70/x
  3. Step 3: Cross multiply
    303,346.65x = 454,801.28 × 170,267.70
  4. Step 4: Simplify right side
    303,346.65x = 77,437,967,051.32
  5. Step 5: Solve for x
    x = 77,437,967,051.32/303,346.65
  6. Step 6: Final answer
    x = 255,278.79

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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.