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Finding the Fourth Proportional to 504,255.05, 695,896.63 and 283,561.79

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Solution

The fourth proportional to 504,255.05, 695,896.63 and 283,561.79 is: 391,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,255.05 : 695,896.63 = 283,561.79 : x
  2. Step 2: Convert to fraction form
    504,255.05/695,896.63 = 283,561.79/x
  3. Step 3: Cross multiply
    504,255.05x = 695,896.63 × 283,561.79
  4. Step 4: Simplify right side
    504,255.05x = 197,329,694,057.77
  5. Step 5: Solve for x
    x = 197,329,694,057.77/504,255.05
  6. Step 6: Final answer
    x = 391,329.14

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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.