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Finding the Fourth Proportional to 293,606, 440,430.96 and 83,260.88

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Solution

The fourth proportional to 293,606, 440,430.96 and 83,260.88 is: 124,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,606 : 440,430.96 = 83,260.88 : x
  2. Step 2: Convert to fraction form
    293,606/440,430.96 = 83,260.88/x
  3. Step 3: Cross multiply
    293,606x = 440,430.96 × 83,260.88
  4. Step 4: Simplify right side
    293,606x = 36,670,669,308.84
  5. Step 5: Solve for x
    x = 36,670,669,308.84/293,606
  6. Step 6: Final answer
    x = 124,897.55

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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.