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Finding the Fourth Proportional to 616,254.90, 850,425.90 and 344,369.64

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Solution

The fourth proportional to 616,254.90, 850,425.90 and 344,369.64 is: 475,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,254.90 : 850,425.90 = 344,369.64 : x
  2. Step 2: Convert to fraction form
    616,254.90/850,425.90 = 344,369.64/x
  3. Step 3: Cross multiply
    616,254.90x = 850,425.90 × 344,369.64
  4. Step 4: Simplify right side
    616,254.90x = 292,860,861,029.68
  5. Step 5: Solve for x
    x = 292,860,861,029.68/616,254.90
  6. Step 6: Final answer
    x = 475,226.83

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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.