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Finding the Fourth Proportional to 373,202.46, 515,000.79 and 212,036.22

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Solution

The fourth proportional to 373,202.46, 515,000.79 and 212,036.22 is: 292,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,202.46 : 515,000.79 = 212,036.22 : x
  2. Step 2: Convert to fraction form
    373,202.46/515,000.79 = 212,036.22/x
  3. Step 3: Cross multiply
    373,202.46x = 515,000.79 × 212,036.22
  4. Step 4: Simplify right side
    373,202.46x = 109,198,820,808.61
  5. Step 5: Solve for x
    x = 109,198,820,808.61/373,202.46
  6. Step 6: Final answer
    x = 292,599.41

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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.