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Finding the Fourth Proportional to 296,118.20, 443,521.20 and 243,630.20

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Solution

The fourth proportional to 296,118.20, 443,521.20 and 243,630.20 is: 364,905.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,118.20 : 443,521.20 = 243,630.20 : x
  2. Step 2: Convert to fraction form
    296,118.20/443,521.20 = 243,630.20/x
  3. Step 3: Cross multiply
    296,118.20x = 443,521.20 × 243,630.20
  4. Step 4: Simplify right side
    296,118.20x = 108,055,158,660.24
  5. Step 5: Solve for x
    x = 108,055,158,660.24/296,118.20
  6. Step 6: Final answer
    x = 364,905.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.