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Finding the Fourth Proportional to 365,900.70, 549,196.65 and 225,932.70

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Solution

The fourth proportional to 365,900.70, 549,196.65 and 225,932.70 is: 339,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,900.70 : 549,196.65 = 225,932.70 : x
  2. Step 2: Convert to fraction form
    365,900.70/549,196.65 = 225,932.70/x
  3. Step 3: Cross multiply
    365,900.70x = 549,196.65 × 225,932.70
  4. Step 4: Simplify right side
    365,900.70x = 124,081,481,965.46
  5. Step 5: Solve for x
    x = 124,081,481,965.46/365,900.70
  6. Step 6: Final answer
    x = 339,112.45

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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.