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Finding the Fourth Proportional to 221,212.58, 331,818.51 and 176,630.42

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Solution

The fourth proportional to 221,212.58, 331,818.51 and 176,630.42 is: 264,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,212.58 : 331,818.51 = 176,630.42 : x
  2. Step 2: Convert to fraction form
    221,212.58/331,818.51 = 176,630.42/x
  3. Step 3: Cross multiply
    221,212.58x = 331,818.51 × 176,630.42
  4. Step 4: Simplify right side
    221,212.58x = 58,609,242,785.07
  5. Step 5: Solve for x
    x = 58,609,242,785.07/221,212.58
  6. Step 6: Final answer
    x = 264,945.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.