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Finding the Fourth Proportional to 400,253.46, 552,514.12 and 271,368.48

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Solution

The fourth proportional to 400,253.46, 552,514.12 and 271,368.48 is: 374,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,253.46 : 552,514.12 = 271,368.48 : x
  2. Step 2: Convert to fraction form
    400,253.46/552,514.12 = 271,368.48/x
  3. Step 3: Cross multiply
    400,253.46x = 552,514.12 × 271,368.48
  4. Step 4: Simplify right side
    400,253.46x = 149,934,916,922.94
  5. Step 5: Solve for x
    x = 149,934,916,922.94/400,253.46
  6. Step 6: Final answer
    x = 374,599.93

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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.