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Finding the Fourth Proportional to 595,863.20, 894,196.65 and 221,886.20

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Solution

The fourth proportional to 595,863.20, 894,196.65 and 221,886.20 is: 332,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,863.20 : 894,196.65 = 221,886.20 : x
  2. Step 2: Convert to fraction form
    595,863.20/894,196.65 = 221,886.20/x
  3. Step 3: Cross multiply
    595,863.20x = 894,196.65 × 221,886.20
  4. Step 4: Simplify right side
    595,863.20x = 198,409,892,250.25
  5. Step 5: Solve for x
    x = 198,409,892,250.25/595,863.20
  6. Step 6: Final answer
    x = 332,978.94

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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.