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Finding the Fourth Proportional to 588,717.90, 883,208.52 and 214,740.90

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Solution

The fourth proportional to 588,717.90, 883,208.52 and 214,740.90 is: 322,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,717.90 : 883,208.52 = 214,740.90 : x
  2. Step 2: Convert to fraction form
    588,717.90/883,208.52 = 214,740.90/x
  3. Step 3: Cross multiply
    588,717.90x = 883,208.52 × 214,740.90
  4. Step 4: Simplify right side
    588,717.90x = 189,660,992,472.47
  5. Step 5: Solve for x
    x = 189,660,992,472.47/588,717.90
  6. Step 6: Final answer
    x = 322,159.38

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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.