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Finding the Fourth Proportional to 266,490.60, 367,329.66 and 180,422.52

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Solution

The fourth proportional to 266,490.60, 367,329.66 and 180,422.52 is: 248,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,490.60 : 367,329.66 = 180,422.52 : x
  2. Step 2: Convert to fraction form
    266,490.60/367,329.66 = 180,422.52/x
  3. Step 3: Cross multiply
    266,490.60x = 367,329.66 × 180,422.52
  4. Step 4: Simplify right side
    266,490.60x = 66,274,542,927.94
  5. Step 5: Solve for x
    x = 66,274,542,927.94/266,490.60
  6. Step 6: Final answer
    x = 248,693.74

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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.