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Finding the Fourth Proportional to 622,677.86, 934,041.39 and 173,437.98

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Solution

The fourth proportional to 622,677.86, 934,041.39 and 173,437.98 is: 260,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,677.86 : 934,041.39 = 173,437.98 : x
  2. Step 2: Convert to fraction form
    622,677.86/934,041.39 = 173,437.98/x
  3. Step 3: Cross multiply
    622,677.86x = 934,041.39 × 173,437.98
  4. Step 4: Simplify right side
    622,677.86x = 161,998,255,889.82
  5. Step 5: Solve for x
    x = 161,998,255,889.82/622,677.86
  6. Step 6: Final answer
    x = 260,163.83

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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.