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Finding the Fourth Proportional to 270,607.78, 373,513.80 and 157,452.40

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Solution

The fourth proportional to 270,607.78, 373,513.80 and 157,452.40 is: 217,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,607.78 : 373,513.80 = 157,452.40 : x
  2. Step 2: Convert to fraction form
    270,607.78/373,513.80 = 157,452.40/x
  3. Step 3: Cross multiply
    270,607.78x = 373,513.80 × 157,452.40
  4. Step 4: Simplify right side
    270,607.78x = 58,810,644,243.12
  5. Step 5: Solve for x
    x = 58,810,644,243.12/270,607.78
  6. Step 6: Final answer
    x = 217,327.99

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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.