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Finding the Fourth Proportional to 324,586.69, 448,054.64 and 290,535.10

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Solution

The fourth proportional to 324,586.69, 448,054.64 and 290,535.10 is: 401,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,586.69 : 448,054.64 = 290,535.10 : x
  2. Step 2: Convert to fraction form
    324,586.69/448,054.64 = 290,535.10/x
  3. Step 3: Cross multiply
    324,586.69x = 448,054.64 × 290,535.10
  4. Step 4: Simplify right side
    324,586.69x = 130,175,599,637.86
  5. Step 5: Solve for x
    x = 130,175,599,637.86/324,586.69
  6. Step 6: Final answer
    x = 401,050.33

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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.