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Finding the Fourth Proportional to 383,065.10, 573,722.85 and 225,601.10

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Solution

The fourth proportional to 383,065.10, 573,722.85 and 225,601.10 is: 337,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,065.10 : 573,722.85 = 225,601.10 : x
  2. Step 2: Convert to fraction form
    383,065.10/573,722.85 = 225,601.10/x
  3. Step 3: Cross multiply
    383,065.10x = 573,722.85 × 225,601.10
  4. Step 4: Simplify right side
    383,065.10x = 129,432,506,055.14
  5. Step 5: Solve for x
    x = 129,432,506,055.14/383,065.10
  6. Step 6: Final answer
    x = 337,886.45

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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.