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Finding the Fourth Proportional to 493,874.10, 740,811.15 and 119,897.10

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Solution

The fourth proportional to 493,874.10, 740,811.15 and 119,897.10 is: 179,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,874.10 : 740,811.15 = 119,897.10 : x
  2. Step 2: Convert to fraction form
    493,874.10/740,811.15 = 119,897.10/x
  3. Step 3: Cross multiply
    493,874.10x = 740,811.15 × 119,897.10
  4. Step 4: Simplify right side
    493,874.10x = 88,821,108,532.67
  5. Step 5: Solve for x
    x = 88,821,108,532.67/493,874.10
  6. Step 6: Final answer
    x = 179,845.65

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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.