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Finding the Fourth Proportional to 304,066.49, 455,906.54 and 266,701.59

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Solution

The fourth proportional to 304,066.49, 455,906.54 and 266,701.59 is: 399,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,066.49 : 455,906.54 = 266,701.59 : x
  2. Step 2: Convert to fraction form
    304,066.49/455,906.54 = 266,701.59/x
  3. Step 3: Cross multiply
    304,066.49x = 455,906.54 × 266,701.59
  4. Step 4: Simplify right side
    304,066.49x = 121,590,999,776.15
  5. Step 5: Solve for x
    x = 121,590,999,776.15/304,066.49
  6. Step 6: Final answer
    x = 399,882.94

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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.