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Finding the Fourth Proportional to 436,792.62, 602,778.10 and 243,203.02

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Solution

The fourth proportional to 436,792.62, 602,778.10 and 243,203.02 is: 335,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,792.62 : 602,778.10 = 243,203.02 : x
  2. Step 2: Convert to fraction form
    436,792.62/602,778.10 = 243,203.02/x
  3. Step 3: Cross multiply
    436,792.62x = 602,778.10 × 243,203.02
  4. Step 4: Simplify right side
    436,792.62x = 146,597,454,309.86
  5. Step 5: Solve for x
    x = 146,597,454,309.86/436,792.62
  6. Step 6: Final answer
    x = 335,622.55

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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.