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Finding the Fourth Proportional to 267,338.40, 401,007.60 and 249,623.70

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Solution

The fourth proportional to 267,338.40, 401,007.60 and 249,623.70 is: 374,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,338.40 : 401,007.60 = 249,623.70 : x
  2. Step 2: Convert to fraction form
    267,338.40/401,007.60 = 249,623.70/x
  3. Step 3: Cross multiply
    267,338.40x = 401,007.60 × 249,623.70
  4. Step 4: Simplify right side
    267,338.40x = 100,101,000,840.12
  5. Step 5: Solve for x
    x = 100,101,000,840.12/267,338.40
  6. Step 6: Final answer
    x = 374,435.55

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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.