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Finding the Fourth Proportional to 459,679.46, 690,158.88 and 235,194.84

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Solution

The fourth proportional to 459,679.46, 690,158.88 and 235,194.84 is: 353,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,679.46 : 690,158.88 = 235,194.84 : x
  2. Step 2: Convert to fraction form
    459,679.46/690,158.88 = 235,194.84/x
  3. Step 3: Cross multiply
    459,679.46x = 690,158.88 × 235,194.84
  4. Step 4: Simplify right side
    459,679.46x = 162,321,807,356.18
  5. Step 5: Solve for x
    x = 162,321,807,356.18/459,679.46
  6. Step 6: Final answer
    x = 353,119.56

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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.