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Finding the Fourth Proportional to 366,927.83, 550,364.40 and 153,640.65

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Solution

The fourth proportional to 366,927.83, 550,364.40 and 153,640.65 is: 230,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,927.83 : 550,364.40 = 153,640.65 : x
  2. Step 2: Convert to fraction form
    366,927.83/550,364.40 = 153,640.65/x
  3. Step 3: Cross multiply
    366,927.83x = 550,364.40 × 153,640.65
  4. Step 4: Simplify right side
    366,927.83x = 84,558,344,152.86
  5. Step 5: Solve for x
    x = 84,558,344,152.86/366,927.83
  6. Step 6: Final answer
    x = 230,449.53

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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.