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Finding the Fourth Proportional to 585,239.78, 877,859.47 and 164,515.66

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Solution

The fourth proportional to 585,239.78, 877,859.47 and 164,515.66 is: 246,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,239.78 : 877,859.47 = 164,515.66 : x
  2. Step 2: Convert to fraction form
    585,239.78/877,859.47 = 164,515.66/x
  3. Step 3: Cross multiply
    585,239.78x = 877,859.47 × 164,515.66
  4. Step 4: Simplify right side
    585,239.78x = 144,421,628,105.30
  5. Step 5: Solve for x
    x = 144,421,628,105.30/585,239.78
  6. Step 6: Final answer
    x = 246,773.43

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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.