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Finding the Fourth Proportional to 344,756.79, 517,133.39 and 88,589.16

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Solution

The fourth proportional to 344,756.79, 517,133.39 and 88,589.16 is: 132,883.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,756.79 : 517,133.39 = 88,589.16 : x
  2. Step 2: Convert to fraction form
    344,756.79/517,133.39 = 88,589.16/x
  3. Step 3: Cross multiply
    344,756.79x = 517,133.39 × 88,589.16
  4. Step 4: Simplify right side
    344,756.79x = 45,812,412,185.11
  5. Step 5: Solve for x
    x = 45,812,412,185.11/344,756.79
  6. Step 6: Final answer
    x = 132,883.28

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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.