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Finding the Fourth Proportional to 264,878.60, 397,317.90 and 235,848.20

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Solution

The fourth proportional to 264,878.60, 397,317.90 and 235,848.20 is: 353,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,878.60 : 397,317.90 = 235,848.20 : x
  2. Step 2: Convert to fraction form
    264,878.60/397,317.90 = 235,848.20/x
  3. Step 3: Cross multiply
    264,878.60x = 397,317.90 × 235,848.20
  4. Step 4: Simplify right side
    264,878.60x = 93,706,711,542.78
  5. Step 5: Solve for x
    x = 93,706,711,542.78/264,878.60
  6. Step 6: Final answer
    x = 353,772.30

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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.