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Finding the Fourth Proportional to 616,266.56, 850,369.70 and 361,524.80

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Solution

The fourth proportional to 616,266.56, 850,369.70 and 361,524.80 is: 498,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,266.56 : 850,369.70 = 361,524.80 : x
  2. Step 2: Convert to fraction form
    616,266.56/850,369.70 = 361,524.80/x
  3. Step 3: Cross multiply
    616,266.56x = 850,369.70 × 361,524.80
  4. Step 4: Simplify right side
    616,266.56x = 307,429,735,718.56
  5. Step 5: Solve for x
    x = 307,429,735,718.56/616,266.56
  6. Step 6: Final answer
    x = 498,858.38

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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.