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Finding the Fourth Proportional to 422,458.74, 632,871.53 and 234,901.62

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Solution

The fourth proportional to 422,458.74, 632,871.53 and 234,901.62 is: 351,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,458.74 : 632,871.53 = 234,901.62 : x
  2. Step 2: Convert to fraction form
    422,458.74/632,871.53 = 234,901.62/x
  3. Step 3: Cross multiply
    422,458.74x = 632,871.53 × 234,901.62
  4. Step 4: Simplify right side
    422,458.74x = 148,662,546,474.37
  5. Step 5: Solve for x
    x = 148,662,546,474.37/422,458.74
  6. Step 6: Final answer
    x = 351,898.38

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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.