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Finding the Fourth Proportional to 607,697.90, 910,989.57 and 233,439.02

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Solution

The fourth proportional to 607,697.90, 910,989.57 and 233,439.02 is: 349,944.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,697.90 : 910,989.57 = 233,439.02 : x
  2. Step 2: Convert to fraction form
    607,697.90/910,989.57 = 233,439.02/x
  3. Step 3: Cross multiply
    607,697.90x = 910,989.57 × 233,439.02
  4. Step 4: Simplify right side
    607,697.90x = 212,660,512,451.02
  5. Step 5: Solve for x
    x = 212,660,512,451.02/607,697.90
  6. Step 6: Final answer
    x = 349,944.46

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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.