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Finding the Fourth Proportional to 470,458.20, 705,687.30 and 154,874.10

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Solution

The fourth proportional to 470,458.20, 705,687.30 and 154,874.10 is: 232,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,458.20 : 705,687.30 = 154,874.10 : x
  2. Step 2: Convert to fraction form
    470,458.20/705,687.30 = 154,874.10/x
  3. Step 3: Cross multiply
    470,458.20x = 705,687.30 × 154,874.10
  4. Step 4: Simplify right side
    470,458.20x = 109,292,685,468.93
  5. Step 5: Solve for x
    x = 109,292,685,468.93/470,458.20
  6. Step 6: Final answer
    x = 232,311.15

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Similar ratio
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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.