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Finding the Fourth Proportional to 656,592.82, 906,079.64 and 366,213.17

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Solution

The fourth proportional to 656,592.82, 906,079.64 and 366,213.17 is: 505,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,592.82 : 906,079.64 = 366,213.17 : x
  2. Step 2: Convert to fraction form
    656,592.82/906,079.64 = 366,213.17/x
  3. Step 3: Cross multiply
    656,592.82x = 906,079.64 × 366,213.17
  4. Step 4: Simplify right side
    656,592.82x = 331,818,297,670.99
  5. Step 5: Solve for x
    x = 331,818,297,670.99/656,592.82
  6. Step 6: Final answer
    x = 505,363.89

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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.