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Finding the Fourth Proportional to 264,837.60, 397,256.40 and 235,807.20

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Solution

The fourth proportional to 264,837.60, 397,256.40 and 235,807.20 is: 353,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,837.60 : 397,256.40 = 235,807.20 : x
  2. Step 2: Convert to fraction form
    264,837.60/397,256.40 = 235,807.20/x
  3. Step 3: Cross multiply
    264,837.60x = 397,256.40 × 235,807.20
  4. Step 4: Simplify right side
    264,837.60x = 93,675,919,366.08
  5. Step 5: Solve for x
    x = 93,675,919,366.08/264,837.60
  6. Step 6: Final answer
    x = 353,710.80

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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.