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Finding the Fourth Proportional to 337,269.40, 505,904.10 and 87,951.40

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Solution

The fourth proportional to 337,269.40, 505,904.10 and 87,951.40 is: 131,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,269.40 : 505,904.10 = 87,951.40 : x
  2. Step 2: Convert to fraction form
    337,269.40/505,904.10 = 87,951.40/x
  3. Step 3: Cross multiply
    337,269.40x = 505,904.10 × 87,951.40
  4. Step 4: Simplify right side
    337,269.40x = 44,494,973,860.74
  5. Step 5: Solve for x
    x = 44,494,973,860.74/337,269.40
  6. Step 6: Final answer
    x = 131,927.10

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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.