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Finding the Fourth Proportional to 298,777.95, 412,303.11 and 167,951.61

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Solution

The fourth proportional to 298,777.95, 412,303.11 and 167,951.61 is: 231,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,777.95 : 412,303.11 = 167,951.61 : x
  2. Step 2: Convert to fraction form
    298,777.95/412,303.11 = 167,951.61/x
  3. Step 3: Cross multiply
    298,777.95x = 412,303.11 × 167,951.61
  4. Step 4: Simplify right side
    298,777.95x = 69,246,971,132.51
  5. Step 5: Solve for x
    x = 69,246,971,132.51/298,777.95
  6. Step 6: Final answer
    x = 231,767.34

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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.