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Finding the Fourth Proportional to 445,859.96, 668,649.43 and 146,270.73

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Solution

The fourth proportional to 445,859.96, 668,649.43 and 146,270.73 is: 219,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,859.96 : 668,649.43 = 146,270.73 : x
  2. Step 2: Convert to fraction form
    445,859.96/668,649.43 = 146,270.73/x
  3. Step 3: Cross multiply
    445,859.96x = 668,649.43 × 146,270.73
  4. Step 4: Simplify right side
    445,859.96x = 97,803,839,874.51
  5. Step 5: Solve for x
    x = 97,803,839,874.51/445,859.96
  6. Step 6: Final answer
    x = 219,360.00

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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.