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Finding the Fourth Proportional to 344,574.24, 516,993.12 and 134,358.72

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Solution

The fourth proportional to 344,574.24, 516,993.12 and 134,358.72 is: 201,589.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,574.24 : 516,993.12 = 134,358.72 : x
  2. Step 2: Convert to fraction form
    344,574.24/516,993.12 = 134,358.72/x
  3. Step 3: Cross multiply
    344,574.24x = 516,993.12 × 134,358.72
  4. Step 4: Simplify right side
    344,574.24x = 69,462,533,852.01
  5. Step 5: Solve for x
    x = 69,462,533,852.01/344,574.24
  6. Step 6: Final answer
    x = 201,589.46

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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.