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Finding the Fourth Proportional to 266,094.40, 367,046.28 and 189,638.25

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Solution

The fourth proportional to 266,094.40, 367,046.28 and 189,638.25 is: 261,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,094.40 : 367,046.28 = 189,638.25 : x
  2. Step 2: Convert to fraction form
    266,094.40/367,046.28 = 189,638.25/x
  3. Step 3: Cross multiply
    266,094.40x = 367,046.28 × 189,638.25
  4. Step 4: Simplify right side
    266,094.40x = 69,606,011,424.79
  5. Step 5: Solve for x
    x = 69,606,011,424.79/266,094.40
  6. Step 6: Final answer
    x = 261,583.90

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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.