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Finding the Fourth Proportional to 501,696.37, 752,755.39 and 312,315.15

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Solution

The fourth proportional to 501,696.37, 752,755.39 and 312,315.15 is: 468,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,696.37 : 752,755.39 = 312,315.15 : x
  2. Step 2: Convert to fraction form
    501,696.37/752,755.39 = 312,315.15/x
  3. Step 3: Cross multiply
    501,696.37x = 752,755.39 × 312,315.15
  4. Step 4: Simplify right side
    501,696.37x = 235,096,911,760.37
  5. Step 5: Solve for x
    x = 235,096,911,760.37/501,696.37
  6. Step 6: Final answer
    x = 468,603.97

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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.