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Finding the Fourth Proportional to 266,411.95, 367,653.77 and 145,560.72

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Solution

The fourth proportional to 266,411.95, 367,653.77 and 145,560.72 is: 200,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,411.95 : 367,653.77 = 145,560.72 : x
  2. Step 2: Convert to fraction form
    266,411.95/367,653.77 = 145,560.72/x
  3. Step 3: Cross multiply
    266,411.95x = 367,653.77 × 145,560.72
  4. Step 4: Simplify right side
    266,411.95x = 53,515,947,471.91
  5. Step 5: Solve for x
    x = 53,515,947,471.91/266,411.95
  6. Step 6: Final answer
    x = 200,876.68

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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.