Home / 324,629.05-448,275.34-202,330.15

Finding the Fourth Proportional to 324,629.05, 448,275.34 and 202,330.15

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Solution

The fourth proportional to 324,629.05, 448,275.34 and 202,330.15 is: 279,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,629.05 : 448,275.34 = 202,330.15 : x
  2. Step 2: Convert to fraction form
    324,629.05/448,275.34 = 202,330.15/x
  3. Step 3: Cross multiply
    324,629.05x = 448,275.34 × 202,330.15
  4. Step 4: Simplify right side
    324,629.05x = 90,699,616,783.50
  5. Step 5: Solve for x
    x = 90,699,616,783.50/324,629.05
  6. Step 6: Final answer
    x = 279,394.64

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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.