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Finding the Fourth Proportional to 247,616.93, 340,946.24 and 193,388.15

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Solution

The fourth proportional to 247,616.93, 340,946.24 and 193,388.15 is: 266,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,616.93 : 340,946.24 = 193,388.15 : x
  2. Step 2: Convert to fraction form
    247,616.93/340,946.24 = 193,388.15/x
  3. Step 3: Cross multiply
    247,616.93x = 340,946.24 × 193,388.15
  4. Step 4: Simplify right side
    247,616.93x = 65,934,959,931.38
  5. Step 5: Solve for x
    x = 65,934,959,931.38/247,616.93
  6. Step 6: Final answer
    x = 266,278.08

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1.5x scale

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.