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Finding the Fourth Proportional to 373,380.84, 515,254.50 and 212,253.48

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Solution

The fourth proportional to 373,380.84, 515,254.50 and 212,253.48 is: 292,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,380.84 : 515,254.50 = 212,253.48 : x
  2. Step 2: Convert to fraction form
    373,380.84/515,254.50 = 212,253.48/x
  3. Step 3: Cross multiply
    373,380.84x = 515,254.50 × 212,253.48
  4. Step 4: Simplify right side
    373,380.84x = 109,364,560,710.66
  5. Step 5: Solve for x
    x = 109,364,560,710.66/373,380.84
  6. Step 6: Final answer
    x = 292,903.52

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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.