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Finding the Fourth Proportional to 326,307.39, 450,386.96 and 222,983.41

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Solution

The fourth proportional to 326,307.39, 450,386.96 and 222,983.41 is: 307,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,307.39 : 450,386.96 = 222,983.41 : x
  2. Step 2: Convert to fraction form
    326,307.39/450,386.96 = 222,983.41/x
  3. Step 3: Cross multiply
    326,307.39x = 450,386.96 × 222,983.41
  4. Step 4: Simplify right side
    326,307.39x = 100,428,820,160.33
  5. Step 5: Solve for x
    x = 100,428,820,160.33/326,307.39
  6. Step 6: Final answer
    x = 307,773.66

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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.