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Finding the Fourth Proportional to 371,209.73, 512,266.43 and 201,443.85

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Solution

The fourth proportional to 371,209.73, 512,266.43 and 201,443.85 is: 277,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,209.73 : 512,266.43 = 201,443.85 : x
  2. Step 2: Convert to fraction form
    371,209.73/512,266.43 = 201,443.85/x
  3. Step 3: Cross multiply
    371,209.73x = 512,266.43 × 201,443.85
  4. Step 4: Simplify right side
    371,209.73x = 103,192,920,877.74
  5. Step 5: Solve for x
    x = 103,192,920,877.74/371,209.73
  6. Step 6: Final answer
    x = 277,990.89

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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.