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Finding the Fourth Proportional to 595,568.20, 893,045.10 and 221,398.60

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Solution

The fourth proportional to 595,568.20, 893,045.10 and 221,398.60 is: 331,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,568.20 : 893,045.10 = 221,398.60 : x
  2. Step 2: Convert to fraction form
    595,568.20/893,045.10 = 221,398.60/x
  3. Step 3: Cross multiply
    595,568.20x = 893,045.10 × 221,398.60
  4. Step 4: Simplify right side
    595,568.20x = 197,718,934,876.86
  5. Step 5: Solve for x
    x = 197,718,934,876.86/595,568.20
  6. Step 6: Final answer
    x = 331,983.70

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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.