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Finding the Fourth Proportional to 373,232.32, 514,905.52 and 220,209.76

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Solution

The fourth proportional to 373,232.32, 514,905.52 and 220,209.76 is: 303,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,232.32 : 514,905.52 = 220,209.76 : x
  2. Step 2: Convert to fraction form
    373,232.32/514,905.52 = 220,209.76/x
  3. Step 3: Cross multiply
    373,232.32x = 514,905.52 × 220,209.76
  4. Step 4: Simplify right side
    373,232.32x = 113,387,220,981.88
  5. Step 5: Solve for x
    x = 113,387,220,981.88/373,232.32
  6. Step 6: Final answer
    x = 303,797.97

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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.