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Finding the Fourth Proportional to 227,624.40, 341,436.60 and 77,814.90

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Solution

The fourth proportional to 227,624.40, 341,436.60 and 77,814.90 is: 116,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,624.40 : 341,436.60 = 77,814.90 : x
  2. Step 2: Convert to fraction form
    227,624.40/341,436.60 = 77,814.90/x
  3. Step 3: Cross multiply
    227,624.40x = 341,436.60 × 77,814.90
  4. Step 4: Simplify right side
    227,624.40x = 26,568,854,885.34
  5. Step 5: Solve for x
    x = 26,568,854,885.34/227,624.40
  6. Step 6: Final answer
    x = 116,722.35

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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.