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Finding the Fourth Proportional to 369,726.73, 510,222.65 and 199,960.85

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Solution

The fourth proportional to 369,726.73, 510,222.65 and 199,960.85 is: 275,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,726.73 : 510,222.65 = 199,960.85 : x
  2. Step 2: Convert to fraction form
    369,726.73/510,222.65 = 199,960.85/x
  3. Step 3: Cross multiply
    369,726.73x = 510,222.65 × 199,960.85
  4. Step 4: Simplify right side
    369,726.73x = 102,024,555,059.01
  5. Step 5: Solve for x
    x = 102,024,555,059.01/369,726.73
  6. Step 6: Final answer
    x = 275,945.85

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1.5x scale

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.