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Finding the Fourth Proportional to 293,209.86, 439,946.01 and 168,550.86

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Solution

The fourth proportional to 293,209.86, 439,946.01 and 168,550.86 is: 252,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,209.86 : 439,946.01 = 168,550.86 : x
  2. Step 2: Convert to fraction form
    293,209.86/439,946.01 = 168,550.86/x
  3. Step 3: Cross multiply
    293,209.86x = 439,946.01 × 168,550.86
  4. Step 4: Simplify right side
    293,209.86x = 74,153,278,339.07
  5. Step 5: Solve for x
    x = 74,153,278,339.07/293,209.86
  6. Step 6: Final answer
    x = 252,901.72

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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.