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Finding the Fourth Proportional to 662,310.88, 993,490.46 and 235,878.07

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Solution

The fourth proportional to 662,310.88, 993,490.46 and 235,878.07 is: 353,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,310.88 : 993,490.46 = 235,878.07 : x
  2. Step 2: Convert to fraction form
    662,310.88/993,490.46 = 235,878.07/x
  3. Step 3: Cross multiply
    662,310.88x = 993,490.46 × 235,878.07
  4. Step 4: Simplify right side
    662,310.88x = 234,342,612,268.21
  5. Step 5: Solve for x
    x = 234,342,612,268.21/662,310.88
  6. Step 6: Final answer
    x = 353,825.70

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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.