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Finding the Fourth Proportional to 350,415, 483,572.76 and 191,439

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Solution

The fourth proportional to 350,415, 483,572.76 and 191,439 is: 264,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,415 : 483,572.76 = 191,439 : x
  2. Step 2: Convert to fraction form
    350,415/483,572.76 = 191,439/x
  3. Step 3: Cross multiply
    350,415x = 483,572.76 × 191,439
  4. Step 4: Simplify right side
    350,415x = 92,574,685,601.64
  5. Step 5: Solve for x
    x = 92,574,685,601.64/350,415
  6. Step 6: Final answer
    x = 264,185.85

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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.