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Finding the Fourth Proportional to 367,726.72, 507,656.64 and 247,500.16

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Solution

The fourth proportional to 367,726.72, 507,656.64 and 247,500.16 is: 341,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,726.72 : 507,656.64 = 247,500.16 : x
  2. Step 2: Convert to fraction form
    367,726.72/507,656.64 = 247,500.16/x
  3. Step 3: Cross multiply
    367,726.72x = 507,656.64 × 247,500.16
  4. Step 4: Simplify right side
    367,726.72x = 125,645,099,625.06
  5. Step 5: Solve for x
    x = 125,645,099,625.06/367,726.72
  6. Step 6: Final answer
    x = 341,680.64

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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.