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Finding the Fourth Proportional to 372,746.36, 514,376.47 and 227,794.65

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Solution

The fourth proportional to 372,746.36, 514,376.47 and 227,794.65 is: 314,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,746.36 : 514,376.47 = 227,794.65 : x
  2. Step 2: Convert to fraction form
    372,746.36/514,376.47 = 227,794.65/x
  3. Step 3: Cross multiply
    372,746.36x = 514,376.47 × 227,794.65
  4. Step 4: Simplify right side
    372,746.36x = 117,172,207,951.89
  5. Step 5: Solve for x
    x = 117,172,207,951.89/372,746.36
  6. Step 6: Final answer
    x = 314,348.36

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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.