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Finding the Fourth Proportional to 296,008.40, 443,753.40 and 177,726.80

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Solution

The fourth proportional to 296,008.40, 443,753.40 and 177,726.80 is: 266,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,008.40 : 443,753.40 = 177,726.80 : x
  2. Step 2: Convert to fraction form
    296,008.40/443,753.40 = 177,726.80/x
  3. Step 3: Cross multiply
    296,008.40x = 443,753.40 × 177,726.80
  4. Step 4: Simplify right side
    296,008.40x = 78,866,871,771.12
  5. Step 5: Solve for x
    x = 78,866,871,771.12/296,008.40
  6. Step 6: Final answer
    x = 266,434.57

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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.