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Finding the Fourth Proportional to 263,886.60, 395,829.90 and 234,856.20

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Solution

The fourth proportional to 263,886.60, 395,829.90 and 234,856.20 is: 352,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,886.60 : 395,829.90 = 234,856.20 : x
  2. Step 2: Convert to fraction form
    263,886.60/395,829.90 = 234,856.20/x
  3. Step 3: Cross multiply
    263,886.60x = 395,829.90 × 234,856.20
  4. Step 4: Simplify right side
    263,886.60x = 92,963,106,160.38
  5. Step 5: Solve for x
    x = 92,963,106,160.38/263,886.60
  6. Step 6: Final answer
    x = 352,284.30

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1.5x scale

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.