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Finding the Fourth Proportional to 372,792.70, 514,468.48 and 211,662.74

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Solution

The fourth proportional to 372,792.70, 514,468.48 and 211,662.74 is: 292,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,792.70 : 514,468.48 = 211,662.74 : x
  2. Step 2: Convert to fraction form
    372,792.70/514,468.48 = 211,662.74/x
  3. Step 3: Cross multiply
    372,792.70x = 514,468.48 × 211,662.74
  4. Step 4: Simplify right side
    372,792.70x = 108,893,808,120.44
  5. Step 5: Solve for x
    x = 108,893,808,120.44/372,792.70
  6. Step 6: Final answer
    x = 292,102.84

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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.