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Finding the Fourth Proportional to 299,358.34, 412,717.53 and 248,177.86

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Solution

The fourth proportional to 299,358.34, 412,717.53 and 248,177.86 is: 342,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,358.34 : 412,717.53 = 248,177.86 : x
  2. Step 2: Convert to fraction form
    299,358.34/412,717.53 = 248,177.86/x
  3. Step 3: Cross multiply
    299,358.34x = 412,717.53 × 248,177.86
  4. Step 4: Simplify right side
    299,358.34x = 102,427,353,379.89
  5. Step 5: Solve for x
    x = 102,427,353,379.89/299,358.34
  6. Step 6: Final answer
    x = 342,156.34

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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.