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Finding the Fourth Proportional to 431,765.10, 595,841.67 and 250,487.10

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Solution

The fourth proportional to 431,765.10, 595,841.67 and 250,487.10 is: 345,675.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,765.10 : 595,841.67 = 250,487.10 : x
  2. Step 2: Convert to fraction form
    431,765.10/595,841.67 = 250,487.10/x
  3. Step 3: Cross multiply
    431,765.10x = 595,841.67 × 250,487.10
  4. Step 4: Simplify right side
    431,765.10x = 149,250,651,977.46
  5. Step 5: Solve for x
    x = 149,250,651,977.46/431,765.10
  6. Step 6: Final answer
    x = 345,675.58

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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.