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Finding the Fourth Proportional to 228,624.12, 315,584.10 and 186,108.84

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Solution

The fourth proportional to 228,624.12, 315,584.10 and 186,108.84 is: 256,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,624.12 : 315,584.10 = 186,108.84 : x
  2. Step 2: Convert to fraction form
    228,624.12/315,584.10 = 186,108.84/x
  3. Step 3: Cross multiply
    228,624.12x = 315,584.10 × 186,108.84
  4. Step 4: Simplify right side
    228,624.12x = 58,732,990,773.44
  5. Step 5: Solve for x
    x = 58,732,990,773.44/228,624.12
  6. Step 6: Final answer
    x = 256,897.61

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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.