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Finding the Fourth Proportional to 367,662.78, 507,568.14 and 247,436.10

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Solution

The fourth proportional to 367,662.78, 507,568.14 and 247,436.10 is: 341,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,662.78 : 507,568.14 = 247,436.10 : x
  2. Step 2: Convert to fraction form
    367,662.78/507,568.14 = 247,436.10/x
  3. Step 3: Cross multiply
    367,662.78x = 507,568.14 × 247,436.10
  4. Step 4: Simplify right side
    367,662.78x = 125,590,681,045.85
  5. Step 5: Solve for x
    x = 125,590,681,045.85/367,662.78
  6. Step 6: Final answer
    x = 341,592.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.