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Finding the Fourth Proportional to 674,523.46, 930,895.46 and 384,147.28

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Solution

The fourth proportional to 674,523.46, 930,895.46 and 384,147.28 is: 530,153.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,523.46 : 930,895.46 = 384,147.28 : x
  2. Step 2: Convert to fraction form
    674,523.46/930,895.46 = 384,147.28/x
  3. Step 3: Cross multiply
    674,523.46x = 930,895.46 × 384,147.28
  4. Step 4: Simplify right side
    674,523.46x = 357,600,958,923.35
  5. Step 5: Solve for x
    x = 357,600,958,923.35/674,523.46
  6. Step 6: Final answer
    x = 530,153.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.