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Finding the Fourth Proportional to 616,094.40, 850,203.36 and 361,396.56

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Solution

The fourth proportional to 616,094.40, 850,203.36 and 361,396.56 is: 498,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,094.40 : 850,203.36 = 361,396.56 : x
  2. Step 2: Convert to fraction form
    616,094.40/850,203.36 = 361,396.56/x
  3. Step 3: Cross multiply
    616,094.40x = 850,203.36 × 361,396.56
  4. Step 4: Simplify right side
    616,094.40x = 307,260,569,604.44
  5. Step 5: Solve for x
    x = 307,260,569,604.44/616,094.40
  6. Step 6: Final answer
    x = 498,723.20

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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.