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Finding the Fourth Proportional to 331,868.70, 497,803.05 and 110,252.70

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Solution

The fourth proportional to 331,868.70, 497,803.05 and 110,252.70 is: 165,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,868.70 : 497,803.05 = 110,252.70 : x
  2. Step 2: Convert to fraction form
    331,868.70/497,803.05 = 110,252.70/x
  3. Step 3: Cross multiply
    331,868.70x = 497,803.05 × 110,252.70
  4. Step 4: Simplify right side
    331,868.70x = 54,884,130,330.74
  5. Step 5: Solve for x
    x = 54,884,130,330.74/331,868.70
  6. Step 6: Final answer
    x = 165,379.05

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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.