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Finding the Fourth Proportional to 431,310.29, 595,210.55 and 250,129.62

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Solution

The fourth proportional to 431,310.29, 595,210.55 and 250,129.62 is: 345,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,310.29 : 595,210.55 = 250,129.62 : x
  2. Step 2: Convert to fraction form
    431,310.29/595,210.55 = 250,129.62/x
  3. Step 3: Cross multiply
    431,310.29x = 595,210.55 × 250,129.62
  4. Step 4: Simplify right side
    431,310.29x = 148,879,787,440.84
  5. Step 5: Solve for x
    x = 148,879,787,440.84/431,310.29
  6. Step 6: Final answer
    x = 345,180.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.