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Finding the Fourth Proportional to 303,250.92, 418,457.88 and 293,059.68

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Solution

The fourth proportional to 303,250.92, 418,457.88 and 293,059.68 is: 404,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,250.92 : 418,457.88 = 293,059.68 : x
  2. Step 2: Convert to fraction form
    303,250.92/418,457.88 = 293,059.68/x
  3. Step 3: Cross multiply
    303,250.92x = 418,457.88 × 293,059.68
  4. Step 4: Simplify right side
    303,250.92x = 122,633,132,406.28
  5. Step 5: Solve for x
    x = 122,633,132,406.28/303,250.92
  6. Step 6: Final answer
    x = 404,394.92

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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.