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Finding the Fourth Proportional to 614,015.82, 916,706.41 and 469,163.54

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Solution

The fourth proportional to 614,015.82, 916,706.41 and 469,163.54 is: 700,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,015.82 : 916,706.41 = 469,163.54 : x
  2. Step 2: Convert to fraction form
    614,015.82/916,706.41 = 469,163.54/x
  3. Step 3: Cross multiply
    614,015.82x = 916,706.41 × 469,163.54
  4. Step 4: Simplify right side
    614,015.82x = 430,085,224,456.29
  5. Step 5: Solve for x
    x = 430,085,224,456.29/614,015.82
  6. Step 6: Final answer
    x = 700,446.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.