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Finding the Fourth Proportional to 270,656.57, 373,604.51 and 157,479.32

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Solution

The fourth proportional to 270,656.57, 373,604.51 and 157,479.32 is: 217,378.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,656.57 : 373,604.51 = 157,479.32 : x
  2. Step 2: Convert to fraction form
    270,656.57/373,604.51 = 157,479.32/x
  3. Step 3: Cross multiply
    270,656.57x = 373,604.51 × 157,479.32
  4. Step 4: Simplify right side
    270,656.57x = 58,834,985,511.44
  5. Step 5: Solve for x
    x = 58,834,985,511.44/270,656.57
  6. Step 6: Final answer
    x = 217,378.74

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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.