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Finding the Fourth Proportional to 662,506.56, 914,190.36 and 372,150.72

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Solution

The fourth proportional to 662,506.56, 914,190.36 and 372,150.72 is: 513,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,506.56 : 914,190.36 = 372,150.72 : x
  2. Step 2: Convert to fraction form
    662,506.56/914,190.36 = 372,150.72/x
  3. Step 3: Cross multiply
    662,506.56x = 914,190.36 × 372,150.72
  4. Step 4: Simplify right side
    662,506.56x = 340,216,600,691.06
  5. Step 5: Solve for x
    x = 340,216,600,691.06/662,506.56
  6. Step 6: Final answer
    x = 513,529.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.