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Finding the Fourth Proportional to 315,552.31, 472,977.83 and 240,424.77

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Solution

The fourth proportional to 315,552.31, 472,977.83 and 240,424.77 is: 360,370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,552.31 : 472,977.83 = 240,424.77 : x
  2. Step 2: Convert to fraction form
    315,552.31/472,977.83 = 240,424.77/x
  3. Step 3: Cross multiply
    315,552.31x = 472,977.83 × 240,424.77
  4. Step 4: Simplify right side
    315,552.31x = 113,715,588,367.58
  5. Step 5: Solve for x
    x = 113,715,588,367.58/315,552.31
  6. Step 6: Final answer
    x = 360,370.01

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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.