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Finding the Fourth Proportional to 235,297.14, 324,545.85 and 154,698.90

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Solution

The fourth proportional to 235,297.14, 324,545.85 and 154,698.90 is: 213,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,297.14 : 324,545.85 = 154,698.90 : x
  2. Step 2: Convert to fraction form
    235,297.14/324,545.85 = 154,698.90/x
  3. Step 3: Cross multiply
    235,297.14x = 324,545.85 × 154,698.90
  4. Step 4: Simplify right side
    235,297.14x = 50,206,885,994.57
  5. Step 5: Solve for x
    x = 50,206,885,994.57/235,297.14
  6. Step 6: Final answer
    x = 213,376.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.