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Finding the Fourth Proportional to 522,335.66, 783,601.83 and 372,203.51

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Solution

The fourth proportional to 522,335.66, 783,601.83 and 372,203.51 is: 558,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,335.66 : 783,601.83 = 372,203.51 : x
  2. Step 2: Convert to fraction form
    522,335.66/783,601.83 = 372,203.51/x
  3. Step 3: Cross multiply
    522,335.66x = 783,601.83 × 372,203.51
  4. Step 4: Simplify right side
    522,335.66x = 291,659,354,923.19
  5. Step 5: Solve for x
    x = 291,659,354,923.19/522,335.66
  6. Step 6: Final answer
    x = 558,375.34

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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.