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Finding the Fourth Proportional to 470,232.20, 705,348.30 and 154,648.10

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Solution

The fourth proportional to 470,232.20, 705,348.30 and 154,648.10 is: 231,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,232.20 : 705,348.30 = 154,648.10 : x
  2. Step 2: Convert to fraction form
    470,232.20/705,348.30 = 154,648.10/x
  3. Step 3: Cross multiply
    470,232.20x = 705,348.30 × 154,648.10
  4. Step 4: Simplify right side
    470,232.20x = 109,080,774,433.23
  5. Step 5: Solve for x
    x = 109,080,774,433.23/470,232.20
  6. Step 6: Final answer
    x = 231,972.15

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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.