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Finding the Fourth Proportional to 296,508.77, 409,156.95 and 173,988.49

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Solution

The fourth proportional to 296,508.77, 409,156.95 and 173,988.49 is: 240,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,508.77 : 409,156.95 = 173,988.49 : x
  2. Step 2: Convert to fraction form
    296,508.77/409,156.95 = 173,988.49/x
  3. Step 3: Cross multiply
    296,508.77x = 409,156.95 × 173,988.49
  4. Step 4: Simplify right side
    296,508.77x = 71,188,601,067.41
  5. Step 5: Solve for x
    x = 71,188,601,067.41/296,508.77
  6. Step 6: Final answer
    x = 240,089.36

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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.