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Finding the Fourth Proportional to 622,306.08, 858,793.32 and 367,656.66

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Solution

The fourth proportional to 622,306.08, 858,793.32 and 367,656.66 is: 507,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,306.08 : 858,793.32 = 367,656.66 : x
  2. Step 2: Convert to fraction form
    622,306.08/858,793.32 = 367,656.66/x
  3. Step 3: Cross multiply
    622,306.08x = 858,793.32 × 367,656.66
  4. Step 4: Simplify right side
    622,306.08x = 315,741,083,661.51
  5. Step 5: Solve for x
    x = 315,741,083,661.51/622,306.08
  6. Step 6: Final answer
    x = 507,372.65

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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.