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Finding the Fourth Proportional to 348,272.78, 480,582.86 and 195,317.24

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Solution

The fourth proportional to 348,272.78, 480,582.86 and 195,317.24 is: 269,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,272.78 : 480,582.86 = 195,317.24 : x
  2. Step 2: Convert to fraction form
    348,272.78/480,582.86 = 195,317.24/x
  3. Step 3: Cross multiply
    348,272.78x = 480,582.86 × 195,317.24
  4. Step 4: Simplify right side
    348,272.78x = 93,866,114,427.01
  5. Step 5: Solve for x
    x = 93,866,114,427.01/348,272.78
  6. Step 6: Final answer
    x = 269,518.96

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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.