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Finding the Fourth Proportional to 558,068.44, 770,165.94 and 303,414.16

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Solution

The fourth proportional to 558,068.44, 770,165.94 and 303,414.16 is: 418,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,068.44 : 770,165.94 = 303,414.16 : x
  2. Step 2: Convert to fraction form
    558,068.44/770,165.94 = 303,414.16/x
  3. Step 3: Cross multiply
    558,068.44x = 770,165.94 × 303,414.16
  4. Step 4: Simplify right side
    558,068.44x = 233,679,251,745.71
  5. Step 5: Solve for x
    x = 233,679,251,745.71/558,068.44
  6. Step 6: Final answer
    x = 418,728.66

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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.