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Finding the Fourth Proportional to 503,878.13, 755,923.81 and 166,899.70

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Solution

The fourth proportional to 503,878.13, 755,923.81 and 166,899.70 is: 250,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,878.13 : 755,923.81 = 166,899.70 : x
  2. Step 2: Convert to fraction form
    503,878.13/755,923.81 = 166,899.70/x
  3. Step 3: Cross multiply
    503,878.13x = 755,923.81 × 166,899.70
  4. Step 4: Simplify right side
    503,878.13x = 126,163,457,111.86
  5. Step 5: Solve for x
    x = 126,163,457,111.86/503,878.13
  6. Step 6: Final answer
    x = 250,384.86

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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.