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Finding the Fourth Proportional to 368,761.66, 508,900.68 and 207,622.60

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Solution

The fourth proportional to 368,761.66, 508,900.68 and 207,622.60 is: 286,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,761.66 : 508,900.68 = 207,622.60 : x
  2. Step 2: Convert to fraction form
    368,761.66/508,900.68 = 207,622.60/x
  3. Step 3: Cross multiply
    368,761.66x = 508,900.68 × 207,622.60
  4. Step 4: Simplify right side
    368,761.66x = 105,659,282,323.37
  5. Step 5: Solve for x
    x = 105,659,282,323.37/368,761.66
  6. Step 6: Final answer
    x = 286,524.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.