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Finding the Fourth Proportional to 493,904.60, 740,856.90 and 119,927.60

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Solution

The fourth proportional to 493,904.60, 740,856.90 and 119,927.60 is: 179,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,904.60 : 740,856.90 = 119,927.60 : x
  2. Step 2: Convert to fraction form
    493,904.60/740,856.90 = 119,927.60/x
  3. Step 3: Cross multiply
    493,904.60x = 740,856.90 × 119,927.60
  4. Step 4: Simplify right side
    493,904.60x = 88,849,189,960.44
  5. Step 5: Solve for x
    x = 88,849,189,960.44/493,904.60
  6. Step 6: Final answer
    x = 179,891.40

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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.