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Finding the Fourth Proportional to 372,784.87, 514,372.44 and 236,840.95

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Solution

The fourth proportional to 372,784.87, 514,372.44 and 236,840.95 is: 326,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,784.87 : 514,372.44 = 236,840.95 : x
  2. Step 2: Convert to fraction form
    372,784.87/514,372.44 = 236,840.95/x
  3. Step 3: Cross multiply
    372,784.87x = 514,372.44 × 236,840.95
  4. Step 4: Simplify right side
    372,784.87x = 121,824,457,343.42
  5. Step 5: Solve for x
    x = 121,824,457,343.42/372,784.87
  6. Step 6: Final answer
    x = 326,795.61

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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.