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Finding the Fourth Proportional to 443,805.38, 612,301.83 and 252,683.45

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Solution

The fourth proportional to 443,805.38, 612,301.83 and 252,683.45 is: 348,617.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,805.38 : 612,301.83 = 252,683.45 : x
  2. Step 2: Convert to fraction form
    443,805.38/612,301.83 = 252,683.45/x
  3. Step 3: Cross multiply
    443,805.38x = 612,301.83 × 252,683.45
  4. Step 4: Simplify right side
    443,805.38x = 154,718,538,554.12
  5. Step 5: Solve for x
    x = 154,718,538,554.12/443,805.38
  6. Step 6: Final answer
    x = 348,617.99

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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.