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Finding the Fourth Proportional to 563,754.67, 845,615.59 and 208,760.83

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Solution

The fourth proportional to 563,754.67, 845,615.59 and 208,760.83 is: 313,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,754.67 : 845,615.59 = 208,760.83 : x
  2. Step 2: Convert to fraction form
    563,754.67/845,615.59 = 208,760.83/x
  3. Step 3: Cross multiply
    563,754.67x = 845,615.59 × 208,760.83
  4. Step 4: Simplify right side
    563,754.67x = 176,531,409,793.40
  5. Step 5: Solve for x
    x = 176,531,409,793.40/563,754.67
  6. Step 6: Final answer
    x = 313,135.16

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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.