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Finding the Fourth Proportional to 629,431.65, 944,541.14 and 255,454.65

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Solution

The fourth proportional to 629,431.65, 944,541.14 and 255,454.65 is: 383,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,431.65 : 944,541.14 = 255,454.65 : x
  2. Step 2: Convert to fraction form
    629,431.65/944,541.14 = 255,454.65/x
  3. Step 3: Cross multiply
    629,431.65x = 944,541.14 × 255,454.65
  4. Step 4: Simplify right side
    629,431.65x = 241,287,425,052.03
  5. Step 5: Solve for x
    x = 241,287,425,052.03/629,431.65
  6. Step 6: Final answer
    x = 383,341.74

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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.