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Finding the Fourth Proportional to 267,931.70, 401,897.55 and 204,946.10

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Solution

The fourth proportional to 267,931.70, 401,897.55 and 204,946.10 is: 307,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,931.70 : 401,897.55 = 204,946.10 : x
  2. Step 2: Convert to fraction form
    267,931.70/401,897.55 = 204,946.10/x
  3. Step 3: Cross multiply
    267,931.70x = 401,897.55 × 204,946.10
  4. Step 4: Simplify right side
    267,931.70x = 82,367,335,472.06
  5. Step 5: Solve for x
    x = 82,367,335,472.06/267,931.70
  6. Step 6: Final answer
    x = 307,419.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.