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Finding the Fourth Proportional to 472,288.65, 651,758.52 and 268,339.83

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Solution

The fourth proportional to 472,288.65, 651,758.52 and 268,339.83 is: 370,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,288.65 : 651,758.52 = 268,339.83 : x
  2. Step 2: Convert to fraction form
    472,288.65/651,758.52 = 268,339.83/x
  3. Step 3: Cross multiply
    472,288.65x = 651,758.52 × 268,339.83
  4. Step 4: Simplify right side
    472,288.65x = 174,892,770,457.85
  5. Step 5: Solve for x
    x = 174,892,770,457.85/472,288.65
  6. Step 6: Final answer
    x = 370,309.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.