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Finding the Fourth Proportional to 350,306.50, 483,424.89 and 191,330.50

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Solution

The fourth proportional to 350,306.50, 483,424.89 and 191,330.50 is: 264,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,306.50 : 483,424.89 = 191,330.50 : x
  2. Step 2: Convert to fraction form
    350,306.50/483,424.89 = 191,330.50/x
  3. Step 3: Cross multiply
    350,306.50x = 483,424.89 × 191,330.50
  4. Step 4: Simplify right side
    350,306.50x = 92,493,925,916.15
  5. Step 5: Solve for x
    x = 92,493,925,916.15/350,306.50
  6. Step 6: Final answer
    x = 264,037.14

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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.