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Finding the Fourth Proportional to 440,296.72, 607,611.72 and 239,092.72

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Solution

The fourth proportional to 440,296.72, 607,611.72 and 239,092.72 is: 329,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,296.72 : 607,611.72 = 239,092.72 : x
  2. Step 2: Convert to fraction form
    440,296.72/607,611.72 = 239,092.72/x
  3. Step 3: Cross multiply
    440,296.72x = 607,611.72 × 239,092.72
  4. Step 4: Simplify right side
    440,296.72x = 145,275,538,838.68
  5. Step 5: Solve for x
    x = 145,275,538,838.68/440,296.72
  6. Step 6: Final answer
    x = 329,949.17

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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.