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Finding the Fourth Proportional to 216,270.96, 298,479.11 and 179,908.17

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Solution

The fourth proportional to 216,270.96, 298,479.11 and 179,908.17 is: 248,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,270.96 : 298,479.11 = 179,908.17 : x
  2. Step 2: Convert to fraction form
    216,270.96/298,479.11 = 179,908.17/x
  3. Step 3: Cross multiply
    216,270.96x = 298,479.11 × 179,908.17
  4. Step 4: Simplify right side
    216,270.96x = 53,698,829,563.79
  5. Step 5: Solve for x
    x = 53,698,829,563.79/216,270.96
  6. Step 6: Final answer
    x = 248,294.22

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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.