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Finding the Fourth Proportional to 500,659.66, 751,061.05 and 154,472.46

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Solution

The fourth proportional to 500,659.66, 751,061.05 and 154,472.46 is: 231,730.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,659.66 : 751,061.05 = 154,472.46 : x
  2. Step 2: Convert to fraction form
    500,659.66/751,061.05 = 154,472.46/x
  3. Step 3: Cross multiply
    500,659.66x = 751,061.05 × 154,472.46
  4. Step 4: Simplify right side
    500,659.66x = 116,018,250,074.43
  5. Step 5: Solve for x
    x = 116,018,250,074.43/500,659.66
  6. Step 6: Final answer
    x = 231,730.78

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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.