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Finding the Fourth Proportional to 616,006.16, 850,102.44 and 361,540.88

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Solution

The fourth proportional to 616,006.16, 850,102.44 and 361,540.88 is: 498,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,006.16 : 850,102.44 = 361,540.88 : x
  2. Step 2: Convert to fraction form
    616,006.16/850,102.44 = 361,540.88/x
  3. Step 3: Cross multiply
    616,006.16x = 850,102.44 × 361,540.88
  4. Step 4: Simplify right side
    616,006.16x = 307,346,784,247.75
  5. Step 5: Solve for x
    x = 307,346,784,247.75/616,006.16
  6. Step 6: Final answer
    x = 498,934.60

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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.