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Finding the Fourth Proportional to 598,773.12, 826,286.22 and 356,931

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Solution

The fourth proportional to 598,773.12, 826,286.22 and 356,931 is: 492,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,773.12 : 826,286.22 = 356,931 : x
  2. Step 2: Convert to fraction form
    598,773.12/826,286.22 = 356,931/x
  3. Step 3: Cross multiply
    598,773.12x = 826,286.22 × 356,931
  4. Step 4: Simplify right side
    598,773.12x = 294,927,166,790.82
  5. Step 5: Solve for x
    x = 294,927,166,790.82/598,773.12
  6. Step 6: Final answer
    x = 492,552.45

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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.