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Finding the Fourth Proportional to 235,746.60, 353,619.90 and 231,858.60

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Solution

The fourth proportional to 235,746.60, 353,619.90 and 231,858.60 is: 347,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,746.60 : 353,619.90 = 231,858.60 : x
  2. Step 2: Convert to fraction form
    235,746.60/353,619.90 = 231,858.60/x
  3. Step 3: Cross multiply
    235,746.60x = 353,619.90 × 231,858.60
  4. Step 4: Simplify right side
    235,746.60x = 81,989,814,946.14
  5. Step 5: Solve for x
    x = 81,989,814,946.14/235,746.60
  6. Step 6: Final answer
    x = 347,787.90

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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.