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Finding the Fourth Proportional to 504,560.81, 695,570.42 and 396,943.94

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Solution

The fourth proportional to 504,560.81, 695,570.42 and 396,943.94 is: 547,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,560.81 : 695,570.42 = 396,943.94 : x
  2. Step 2: Convert to fraction form
    504,560.81/695,570.42 = 396,943.94/x
  3. Step 3: Cross multiply
    504,560.81x = 695,570.42 × 396,943.94
  4. Step 4: Simplify right side
    504,560.81x = 276,102,457,599.68
  5. Step 5: Solve for x
    x = 276,102,457,599.68/504,560.81
  6. Step 6: Final answer
    x = 547,213.45

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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.