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Finding the Fourth Proportional to 352,886.60, 529,329.90 and 195,422.60

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Solution

The fourth proportional to 352,886.60, 529,329.90 and 195,422.60 is: 293,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,886.60 : 529,329.90 = 195,422.60 : x
  2. Step 2: Convert to fraction form
    352,886.60/529,329.90 = 195,422.60/x
  3. Step 3: Cross multiply
    352,886.60x = 529,329.90 × 195,422.60
  4. Step 4: Simplify right side
    352,886.60x = 103,443,025,315.74
  5. Step 5: Solve for x
    x = 103,443,025,315.74/352,886.60
  6. Step 6: Final answer
    x = 293,133.90

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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.