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Finding the Fourth Proportional to 470,612.32, 705,935.03 and 150,773.90

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Solution

The fourth proportional to 470,612.32, 705,935.03 and 150,773.90 is: 226,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,612.32 : 705,935.03 = 150,773.90 : x
  2. Step 2: Convert to fraction form
    470,612.32/705,935.03 = 150,773.90/x
  3. Step 3: Cross multiply
    470,612.32x = 705,935.03 × 150,773.90
  4. Step 4: Simplify right side
    470,612.32x = 106,436,577,619.72
  5. Step 5: Solve for x
    x = 106,436,577,619.72/470,612.32
  6. Step 6: Final answer
    x = 226,166.15

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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.