Home / 373,433.25-515,335.52-212,288.30

Finding the Fourth Proportional to 373,433.25, 515,335.52 and 212,288.30

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Solution

The fourth proportional to 373,433.25, 515,335.52 and 212,288.30 is: 292,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,433.25 : 515,335.52 = 212,288.30 : x
  2. Step 2: Convert to fraction form
    373,433.25/515,335.52 = 212,288.30/x
  3. Step 3: Cross multiply
    373,433.25x = 515,335.52 × 212,288.30
  4. Step 4: Simplify right side
    373,433.25x = 109,399,697,832.30
  5. Step 5: Solve for x
    x = 109,399,697,832.30/373,433.25
  6. Step 6: Final answer
    x = 292,956.50

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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.