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Finding the Fourth Proportional to 295,529.80, 443,006.70 and 169,040.20

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Solution

The fourth proportional to 295,529.80, 443,006.70 and 169,040.20 is: 253,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,529.80 : 443,006.70 = 169,040.20 : x
  2. Step 2: Convert to fraction form
    295,529.80/443,006.70 = 169,040.20/x
  3. Step 3: Cross multiply
    295,529.80x = 443,006.70 × 169,040.20
  4. Step 4: Simplify right side
    295,529.80x = 74,885,941,169.34
  5. Step 5: Solve for x
    x = 74,885,941,169.34/295,529.80
  6. Step 6: Final answer
    x = 253,395.57

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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.