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Finding the Fourth Proportional to 672,214.64, 927,679.66 and 366,316.22

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Solution

The fourth proportional to 672,214.64, 927,679.66 and 366,316.22 is: 505,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,214.64 : 927,679.66 = 366,316.22 : x
  2. Step 2: Convert to fraction form
    672,214.64/927,679.66 = 366,316.22/x
  3. Step 3: Cross multiply
    672,214.64x = 927,679.66 × 366,316.22
  4. Step 4: Simplify right side
    672,214.64x = 339,824,107,825.49
  5. Step 5: Solve for x
    x = 339,824,107,825.49/672,214.64
  6. Step 6: Final answer
    x = 505,529.17

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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.