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Finding the Fourth Proportional to 344,816.17, 516,551.75 and 194,602.07

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Solution

The fourth proportional to 344,816.17, 516,551.75 and 194,602.07 is: 291,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,816.17 : 516,551.75 = 194,602.07 : x
  2. Step 2: Convert to fraction form
    344,816.17/516,551.75 = 194,602.07/x
  3. Step 3: Cross multiply
    344,816.17x = 516,551.75 × 194,602.07
  4. Step 4: Simplify right side
    344,816.17x = 100,522,040,130.49
  5. Step 5: Solve for x
    x = 100,522,040,130.49/344,816.17
  6. Step 6: Final answer
    x = 291,523.57

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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.