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Finding the Fourth Proportional to 373,150.64, 514,961.76 and 212,033

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Solution

The fourth proportional to 373,150.64, 514,961.76 and 212,033 is: 292,613.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,150.64 : 514,961.76 = 212,033 : x
  2. Step 2: Convert to fraction form
    373,150.64/514,961.76 = 212,033/x
  3. Step 3: Cross multiply
    373,150.64x = 514,961.76 × 212,033
  4. Step 4: Simplify right side
    373,150.64x = 109,188,886,858.08
  5. Step 5: Solve for x
    x = 109,188,886,858.08/373,150.64
  6. Step 6: Final answer
    x = 292,613.43

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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.