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Finding the Fourth Proportional to 491,160.38, 736,863.19 and 171,316.85

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Solution

The fourth proportional to 491,160.38, 736,863.19 and 171,316.85 is: 257,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,160.38 : 736,863.19 = 171,316.85 : x
  2. Step 2: Convert to fraction form
    491,160.38/736,863.19 = 171,316.85/x
  3. Step 3: Cross multiply
    491,160.38x = 736,863.19 × 171,316.85
  4. Step 4: Simplify right side
    491,160.38x = 126,237,076,479.14
  5. Step 5: Solve for x
    x = 126,237,076,479.14/491,160.38
  6. Step 6: Final answer
    x = 257,018.04

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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.