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Finding the Fourth Proportional to 247,791.34, 341,953.41 and 152,360.38

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Solution

The fourth proportional to 247,791.34, 341,953.41 and 152,360.38 is: 210,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,791.34 : 341,953.41 = 152,360.38 : x
  2. Step 2: Convert to fraction form
    247,791.34/341,953.41 = 152,360.38/x
  3. Step 3: Cross multiply
    247,791.34x = 341,953.41 × 152,360.38
  4. Step 4: Simplify right side
    247,791.34x = 52,100,151,489.90
  5. Step 5: Solve for x
    x = 52,100,151,489.90/247,791.34
  6. Step 6: Final answer
    x = 210,258.16

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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.