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Finding the Fourth Proportional to 603,169.73, 903,376.17 and 287,848.07

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Solution

The fourth proportional to 603,169.73, 903,376.17 and 287,848.07 is: 431,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,169.73 : 903,376.17 = 287,848.07 : x
  2. Step 2: Convert to fraction form
    603,169.73/903,376.17 = 287,848.07/x
  3. Step 3: Cross multiply
    603,169.73x = 903,376.17 × 287,848.07
  4. Step 4: Simplify right side
    603,169.73x = 260,035,087,018.49
  5. Step 5: Solve for x
    x = 260,035,087,018.49/603,169.73
  6. Step 6: Final answer
    x = 431,114.29

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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.