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Finding the Fourth Proportional to 595,581.40, 893,269.70 and 221,411.80

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Solution

The fourth proportional to 595,581.40, 893,269.70 and 221,411.80 is: 332,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,581.40 : 893,269.70 = 221,411.80 : x
  2. Step 2: Convert to fraction form
    595,581.40/893,269.70 = 221,411.80/x
  3. Step 3: Cross multiply
    595,581.40x = 893,269.70 × 221,411.80
  4. Step 4: Simplify right side
    595,581.40x = 197,780,452,162.46
  5. Step 5: Solve for x
    x = 197,780,452,162.46/595,581.40
  6. Step 6: Final answer
    x = 332,079.63

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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.