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Finding the Fourth Proportional to 616,354.77, 850,553.30 and 344,424.90

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Solution

The fourth proportional to 616,354.77, 850,553.30 and 344,424.90 is: 475,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,354.77 : 850,553.30 = 344,424.90 : x
  2. Step 2: Convert to fraction form
    616,354.77/850,553.30 = 344,424.90/x
  3. Step 3: Cross multiply
    616,354.77x = 850,553.30 × 344,424.90
  4. Step 4: Simplify right side
    616,354.77x = 292,951,733,575.05
  5. Step 5: Solve for x
    x = 292,951,733,575.05/616,354.77
  6. Step 6: Final answer
    x = 475,297.26

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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.