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Finding the Fourth Proportional to 339,214.40, 508,895.40 and 102,550.90

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Solution

The fourth proportional to 339,214.40, 508,895.40 and 102,550.90 is: 153,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,214.40 : 508,895.40 = 102,550.90 : x
  2. Step 2: Convert to fraction form
    339,214.40/508,895.40 = 102,550.90/x
  3. Step 3: Cross multiply
    339,214.40x = 508,895.40 × 102,550.90
  4. Step 4: Simplify right side
    339,214.40x = 52,187,681,275.86
  5. Step 5: Solve for x
    x = 52,187,681,275.86/339,214.40
  6. Step 6: Final answer
    x = 153,848.66

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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.