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Finding the Fourth Proportional to 324,575.48, 448,087.74 and 217,328.24

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Solution

The fourth proportional to 324,575.48, 448,087.74 and 217,328.24 is: 300,029.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,575.48 : 448,087.74 = 217,328.24 : x
  2. Step 2: Convert to fraction form
    324,575.48/448,087.74 = 217,328.24/x
  3. Step 3: Cross multiply
    324,575.48x = 448,087.74 × 217,328.24
  4. Step 4: Simplify right side
    324,575.48x = 97,382,119,899.78
  5. Step 5: Solve for x
    x = 97,382,119,899.78/324,575.48
  6. Step 6: Final answer
    x = 300,029.19

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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.