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Finding the Fourth Proportional to 369,715.70, 554,354.85 and 192,568.70

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Solution

The fourth proportional to 369,715.70, 554,354.85 and 192,568.70 is: 288,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,715.70 : 554,354.85 = 192,568.70 : x
  2. Step 2: Convert to fraction form
    369,715.70/554,354.85 = 192,568.70/x
  3. Step 3: Cross multiply
    369,715.70x = 554,354.85 × 192,568.70
  4. Step 4: Simplify right side
    369,715.70x = 106,751,392,803.20
  5. Step 5: Solve for x
    x = 106,751,392,803.20/369,715.70
  6. Step 6: Final answer
    x = 288,739.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.