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Finding the Fourth Proportional to 344,182.40, 516,073.12 and 133,574.32

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Solution

The fourth proportional to 344,182.40, 516,073.12 and 133,574.32 is: 200,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,182.40 : 516,073.12 = 133,574.32 : x
  2. Step 2: Convert to fraction form
    344,182.40/516,073.12 = 133,574.32/x
  3. Step 3: Cross multiply
    344,182.40x = 516,073.12 × 133,574.32
  4. Step 4: Simplify right side
    344,182.40x = 68,934,116,074.28
  5. Step 5: Solve for x
    x = 68,934,116,074.28/344,182.40
  6. Step 6: Final answer
    x = 200,283.68

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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.