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Finding the Fourth Proportional to 612,121.59, 844,707.60 and 336,480.39

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Solution

The fourth proportional to 612,121.59, 844,707.60 and 336,480.39 is: 464,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,121.59 : 844,707.60 = 336,480.39 : x
  2. Step 2: Convert to fraction form
    612,121.59/844,707.60 = 336,480.39/x
  3. Step 3: Cross multiply
    612,121.59x = 844,707.60 × 336,480.39
  4. Step 4: Simplify right side
    612,121.59x = 284,227,542,683.96
  5. Step 5: Solve for x
    x = 284,227,542,683.96/612,121.59
  6. Step 6: Final answer
    x = 464,331.84

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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.