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Finding the Fourth Proportional to 266,333.44, 399,446.28 and 97,795.92

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Solution

The fourth proportional to 266,333.44, 399,446.28 and 97,795.92 is: 146,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,333.44 : 399,446.28 = 97,795.92 : x
  2. Step 2: Convert to fraction form
    266,333.44/399,446.28 = 97,795.92/x
  3. Step 3: Cross multiply
    266,333.44x = 399,446.28 × 97,795.92
  4. Step 4: Simplify right side
    266,333.44x = 39,064,216,443.18
  5. Step 5: Solve for x
    x = 39,064,216,443.18/266,333.44
  6. Step 6: Final answer
    x = 146,674.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.