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Finding the Fourth Proportional to 437,145.93, 655,688.79 and 268,692.27

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Solution

The fourth proportional to 437,145.93, 655,688.79 and 268,692.27 is: 403,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,145.93 : 655,688.79 = 268,692.27 : x
  2. Step 2: Convert to fraction form
    437,145.93/655,688.79 = 268,692.27/x
  3. Step 3: Cross multiply
    437,145.93x = 655,688.79 × 268,692.27
  4. Step 4: Simplify right side
    437,145.93x = 176,178,509,398.65
  5. Step 5: Solve for x
    x = 176,178,509,398.65/437,145.93
  6. Step 6: Final answer
    x = 403,019.90

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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.