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Finding the Fourth Proportional to 616,204.85, 850,356.92 and 344,319.59

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Solution

The fourth proportional to 616,204.85, 850,356.92 and 344,319.59 is: 475,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,204.85 : 850,356.92 = 344,319.59 : x
  2. Step 2: Convert to fraction form
    616,204.85/850,356.92 = 344,319.59/x
  3. Step 3: Cross multiply
    616,204.85x = 850,356.92 × 344,319.59
  4. Step 4: Simplify right side
    616,204.85x = 292,794,549,034.75
  5. Step 5: Solve for x
    x = 292,794,549,034.75/616,204.85
  6. Step 6: Final answer
    x = 475,157.82

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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.