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Finding the Fourth Proportional to 497,866.40, 746,799.60 and 165,442.40

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Solution

The fourth proportional to 497,866.40, 746,799.60 and 165,442.40 is: 248,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,866.40 : 746,799.60 = 165,442.40 : x
  2. Step 2: Convert to fraction form
    497,866.40/746,799.60 = 165,442.40/x
  3. Step 3: Cross multiply
    497,866.40x = 746,799.60 × 165,442.40
  4. Step 4: Simplify right side
    497,866.40x = 123,552,318,143.04
  5. Step 5: Solve for x
    x = 123,552,318,143.04/497,866.40
  6. Step 6: Final answer
    x = 248,163.60

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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.