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Finding the Fourth Proportional to 539,778.65, 808,781.78 and 184,598.91

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Solution

The fourth proportional to 539,778.65, 808,781.78 and 184,598.91 is: 276,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,778.65 : 808,781.78 = 184,598.91 : x
  2. Step 2: Convert to fraction form
    539,778.65/808,781.78 = 184,598.91/x
  3. Step 3: Cross multiply
    539,778.65x = 808,781.78 × 184,598.91
  4. Step 4: Simplify right side
    539,778.65x = 149,300,234,092.87
  5. Step 5: Solve for x
    x = 149,300,234,092.87/539,778.65
  6. Step 6: Final answer
    x = 276,595.30

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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.