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Finding the Fourth Proportional to 332,885.16, 459,348.57 and 189,636.66

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Solution

The fourth proportional to 332,885.16, 459,348.57 and 189,636.66 is: 261,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,885.16 : 459,348.57 = 189,636.66 : x
  2. Step 2: Convert to fraction form
    332,885.16/459,348.57 = 189,636.66/x
  3. Step 3: Cross multiply
    332,885.16x = 459,348.57 × 189,636.66
  4. Step 4: Simplify right side
    332,885.16x = 87,109,328,590.58
  5. Step 5: Solve for x
    x = 87,109,328,590.58/332,885.16
  6. Step 6: Final answer
    x = 261,679.82

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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.