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Finding the Fourth Proportional to 453,994.52, 626,540.85 and 250,045.38

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Solution

The fourth proportional to 453,994.52, 626,540.85 and 250,045.38 is: 345,078.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,994.52 : 626,540.85 = 250,045.38 : x
  2. Step 2: Convert to fraction form
    453,994.52/626,540.85 = 250,045.38/x
  3. Step 3: Cross multiply
    453,994.52x = 626,540.85 × 250,045.38
  4. Step 4: Simplify right side
    453,994.52x = 156,663,644,923.77
  5. Step 5: Solve for x
    x = 156,663,644,923.77/453,994.52
  6. Step 6: Final answer
    x = 345,078.28

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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.