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Finding the Fourth Proportional to 493,746.38, 740,619.87 and 119,769.38

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Solution

The fourth proportional to 493,746.38, 740,619.87 and 119,769.38 is: 179,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,746.38 : 740,619.87 = 119,769.38 : x
  2. Step 2: Convert to fraction form
    493,746.38/740,619.87 = 119,769.38/x
  3. Step 3: Cross multiply
    493,746.38x = 740,619.87 × 119,769.38
  4. Step 4: Simplify right side
    493,746.38x = 88,703,578,942.48
  5. Step 5: Solve for x
    x = 88,703,578,942.48/493,746.38
  6. Step 6: Final answer
    x = 179,654.14

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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.