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Finding the Fourth Proportional to 368,671.65, 508,805.16 and 225,526.95

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Solution

The fourth proportional to 368,671.65, 508,805.16 and 225,526.95 is: 311,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,671.65 : 508,805.16 = 225,526.95 : x
  2. Step 2: Convert to fraction form
    368,671.65/508,805.16 = 225,526.95/x
  3. Step 3: Cross multiply
    368,671.65x = 508,805.16 × 225,526.95
  4. Step 4: Simplify right side
    368,671.65x = 114,749,275,879.06
  5. Step 5: Solve for x
    x = 114,749,275,879.06/368,671.65
  6. Step 6: Final answer
    x = 311,250.61

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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.