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Finding the Fourth Proportional to 431,698.32, 595,587.42 and 250,310.34

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Solution

The fourth proportional to 431,698.32, 595,587.42 and 250,310.34 is: 345,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,698.32 : 595,587.42 = 250,310.34 : x
  2. Step 2: Convert to fraction form
    431,698.32/595,587.42 = 250,310.34/x
  3. Step 3: Cross multiply
    431,698.32x = 595,587.42 × 250,310.34
  4. Step 4: Simplify right side
    431,698.32x = 149,081,689,599.92
  5. Step 5: Solve for x
    x = 149,081,689,599.92/431,698.32
  6. Step 6: Final answer
    x = 345,337.66

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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.