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Finding the Fourth Proportional to 371,182.66, 512,233.43 and 201,416.78

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Solution

The fourth proportional to 371,182.66, 512,233.43 and 201,416.78 is: 277,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,182.66 : 512,233.43 = 201,416.78 : x
  2. Step 2: Convert to fraction form
    371,182.66/512,233.43 = 201,416.78/x
  3. Step 3: Cross multiply
    371,182.66x = 512,233.43 × 201,416.78
  4. Step 4: Simplify right side
    371,182.66x = 103,172,408,078.96
  5. Step 5: Solve for x
    x = 103,172,408,078.96/371,182.66
  6. Step 6: Final answer
    x = 277,955.89

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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.