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Finding the Fourth Proportional to 493,624.20, 740,436.30 and 161,200.20

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Solution

The fourth proportional to 493,624.20, 740,436.30 and 161,200.20 is: 241,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,624.20 : 740,436.30 = 161,200.20 : x
  2. Step 2: Convert to fraction form
    493,624.20/740,436.30 = 161,200.20/x
  3. Step 3: Cross multiply
    493,624.20x = 740,436.30 × 161,200.20
  4. Step 4: Simplify right side
    493,624.20x = 119,358,479,647.26
  5. Step 5: Solve for x
    x = 119,358,479,647.26/493,624.20
  6. Step 6: Final answer
    x = 241,800.30

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Similar ratio
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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.