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Finding the Fourth Proportional to 458,781.90, 633,168.93 and 277,593.81

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Solution

The fourth proportional to 458,781.90, 633,168.93 and 277,593.81 is: 383,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,781.90 : 633,168.93 = 277,593.81 : x
  2. Step 2: Convert to fraction form
    458,781.90/633,168.93 = 277,593.81/x
  3. Step 3: Cross multiply
    458,781.90x = 633,168.93 × 277,593.81
  4. Step 4: Simplify right side
    458,781.90x = 175,763,775,652.32
  5. Step 5: Solve for x
    x = 175,763,775,652.32/458,781.90
  6. Step 6: Final answer
    x = 383,109.66

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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.