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Finding the Fourth Proportional to 616,806.75, 850,932.67 and 412,923.35

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Solution

The fourth proportional to 616,806.75, 850,932.67 and 412,923.35 is: 569,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,806.75 : 850,932.67 = 412,923.35 : x
  2. Step 2: Convert to fraction form
    616,806.75/850,932.67 = 412,923.35/x
  3. Step 3: Cross multiply
    616,806.75x = 850,932.67 × 412,923.35
  4. Step 4: Simplify right side
    616,806.75x = 351,369,968,720.85
  5. Step 5: Solve for x
    x = 351,369,968,720.85/616,806.75
  6. Step 6: Final answer
    x = 569,659.73

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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.