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Finding the Fourth Proportional to 317,292.91, 475,936.96 and 104,208.71

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Solution

The fourth proportional to 317,292.91, 475,936.96 and 104,208.71 is: 156,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,292.91 : 475,936.96 = 104,208.71 : x
  2. Step 2: Convert to fraction form
    317,292.91/475,936.96 = 104,208.71/x
  3. Step 3: Cross multiply
    317,292.91x = 475,936.96 × 104,208.71
  4. Step 4: Simplify right side
    317,292.91x = 49,596,776,642.92
  5. Step 5: Solve for x
    x = 49,596,776,642.92/317,292.91
  6. Step 6: Final answer
    x = 156,312.28

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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.