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Finding the Fourth Proportional to 344,478.84, 516,617.82 and 134,066.76

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Solution

The fourth proportional to 344,478.84, 516,617.82 and 134,066.76 is: 201,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,478.84 : 516,617.82 = 134,066.76 : x
  2. Step 2: Convert to fraction form
    344,478.84/516,617.82 = 134,066.76/x
  3. Step 3: Cross multiply
    344,478.84x = 516,617.82 × 134,066.76
  4. Step 4: Simplify right side
    344,478.84x = 69,261,277,285.66
  5. Step 5: Solve for x
    x = 69,261,277,285.66/344,478.84
  6. Step 6: Final answer
    x = 201,061.05

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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.