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Finding the Fourth Proportional to 266,571.17, 367,808.94 and 153,393.92

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Solution

The fourth proportional to 266,571.17, 367,808.94 and 153,393.92 is: 211,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,571.17 : 367,808.94 = 153,393.92 : x
  2. Step 2: Convert to fraction form
    266,571.17/367,808.94 = 153,393.92/x
  3. Step 3: Cross multiply
    266,571.17x = 367,808.94 × 153,393.92
  4. Step 4: Simplify right side
    266,571.17x = 56,419,653,278.60
  5. Step 5: Solve for x
    x = 56,419,653,278.60/266,571.17
  6. Step 6: Final answer
    x = 211,649.50

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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.