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Finding the Fourth Proportional to 371,292.62, 512,384.40 and 201,526.82

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Solution

The fourth proportional to 371,292.62, 512,384.40 and 201,526.82 is: 278,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,292.62 : 512,384.40 = 201,526.82 : x
  2. Step 2: Convert to fraction form
    371,292.62/512,384.40 = 201,526.82/x
  3. Step 3: Cross multiply
    371,292.62x = 512,384.40 × 201,526.82
  4. Step 4: Simplify right side
    371,292.62x = 103,259,198,749.61
  5. Step 5: Solve for x
    x = 103,259,198,749.61/371,292.62
  6. Step 6: Final answer
    x = 278,107.33

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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.