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Finding the Fourth Proportional to 505,627.61, 758,550.78 and 150,670.22

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Solution

The fourth proportional to 505,627.61, 758,550.78 and 150,670.22 is: 226,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,627.61 : 758,550.78 = 150,670.22 : x
  2. Step 2: Convert to fraction form
    505,627.61/758,550.78 = 150,670.22/x
  3. Step 3: Cross multiply
    505,627.61x = 758,550.78 × 150,670.22
  4. Step 4: Simplify right side
    505,627.61x = 114,291,009,111.02
  5. Step 5: Solve for x
    x = 114,291,009,111.02/505,627.61
  6. Step 6: Final answer
    x = 226,037.91

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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.