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Finding the Fourth Proportional to 383,841.01, 574,990.44 and 191,134.87

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Solution

The fourth proportional to 383,841.01, 574,990.44 and 191,134.87 is: 286,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,841.01 : 574,990.44 = 191,134.87 : x
  2. Step 2: Convert to fraction form
    383,841.01/574,990.44 = 191,134.87/x
  3. Step 3: Cross multiply
    383,841.01x = 574,990.44 × 191,134.87
  4. Step 4: Simplify right side
    383,841.01x = 109,900,723,000.64
  5. Step 5: Solve for x
    x = 109,900,723,000.64/383,841.01
  6. Step 6: Final answer
    x = 286,318.35

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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.