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Finding the Fourth Proportional to 344,212.98, 516,371.88 and 175,641.18

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Solution

The fourth proportional to 344,212.98, 516,371.88 and 175,641.18 is: 263,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,212.98 : 516,371.88 = 175,641.18 : x
  2. Step 2: Convert to fraction form
    344,212.98/516,371.88 = 175,641.18/x
  3. Step 3: Cross multiply
    344,212.98x = 516,371.88 × 175,641.18
  4. Step 4: Simplify right side
    344,212.98x = 90,696,166,322.02
  5. Step 5: Solve for x
    x = 90,696,166,322.02/344,212.98
  6. Step 6: Final answer
    x = 263,488.51

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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.