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Finding the Fourth Proportional to 324,586.82, 448,054.81 and 290,535.23

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Solution

The fourth proportional to 324,586.82, 448,054.81 and 290,535.23 is: 401,050.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,586.82 : 448,054.81 = 290,535.23 : x
  2. Step 2: Convert to fraction form
    324,586.82/448,054.81 = 290,535.23/x
  3. Step 3: Cross multiply
    324,586.82x = 448,054.81 × 290,535.23
  4. Step 4: Simplify right side
    324,586.82x = 130,175,704,309.34
  5. Step 5: Solve for x
    x = 130,175,704,309.34/324,586.82
  6. Step 6: Final answer
    x = 401,050.50

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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.