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Finding the Fourth Proportional to 373,419.60, 515,298.52 and 212,252.24

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Solution

The fourth proportional to 373,419.60, 515,298.52 and 212,252.24 is: 292,896.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,419.60 : 515,298.52 = 212,252.24 : x
  2. Step 2: Convert to fraction form
    373,419.60/515,298.52 = 212,252.24/x
  3. Step 3: Cross multiply
    373,419.60x = 515,298.52 × 212,252.24
  4. Step 4: Simplify right side
    373,419.60x = 109,373,265,138.69
  5. Step 5: Solve for x
    x = 109,373,265,138.69/373,419.60
  6. Step 6: Final answer
    x = 292,896.42

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1.5x scale

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.