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Finding the Fourth Proportional to 317,552.26, 475,959.03 and 117,718.78

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Solution

The fourth proportional to 317,552.26, 475,959.03 and 117,718.78 is: 176,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,552.26 : 475,959.03 = 117,718.78 : x
  2. Step 2: Convert to fraction form
    317,552.26/475,959.03 = 117,718.78/x
  3. Step 3: Cross multiply
    317,552.26x = 475,959.03 × 117,718.78
  4. Step 4: Simplify right side
    317,552.26x = 56,029,316,341.58
  5. Step 5: Solve for x
    x = 56,029,316,341.58/317,552.26
  6. Step 6: Final answer
    x = 176,441.25

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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.