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Finding the Fourth Proportional to 458,781.65, 633,168.59 and 277,593.56

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Solution

The fourth proportional to 458,781.65, 633,168.59 and 277,593.56 is: 383,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,781.65 : 633,168.59 = 277,593.56 : x
  2. Step 2: Convert to fraction form
    458,781.65/633,168.59 = 277,593.56/x
  3. Step 3: Cross multiply
    458,781.65x = 633,168.59 × 277,593.56
  4. Step 4: Simplify right side
    458,781.65x = 175,763,518,424.47
  5. Step 5: Solve for x
    x = 175,763,518,424.47/458,781.65
  6. Step 6: Final answer
    x = 383,109.31

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1.5x scale

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.