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Finding the Fourth Proportional to 452,680.54, 624,464.89 and 307,493.80

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Solution

The fourth proportional to 452,680.54, 624,464.89 and 307,493.80 is: 424,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,680.54 : 624,464.89 = 307,493.80 : x
  2. Step 2: Convert to fraction form
    452,680.54/624,464.89 = 307,493.80/x
  3. Step 3: Cross multiply
    452,680.54x = 624,464.89 × 307,493.80
  4. Step 4: Simplify right side
    452,680.54x = 192,019,081,992.68
  5. Step 5: Solve for x
    x = 192,019,081,992.68/452,680.54
  6. Step 6: Final answer
    x = 424,182.32

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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.