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Finding the Fourth Proportional to 623,504.80, 932,921.70 and 444,005.20

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Solution

The fourth proportional to 623,504.80, 932,921.70 and 444,005.20 is: 664,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,504.80 : 932,921.70 = 444,005.20 : x
  2. Step 2: Convert to fraction form
    623,504.80/932,921.70 = 444,005.20/x
  3. Step 3: Cross multiply
    623,504.80x = 932,921.70 × 444,005.20
  4. Step 4: Simplify right side
    623,504.80x = 414,222,085,992.84
  5. Step 5: Solve for x
    x = 414,222,085,992.84/623,504.80
  6. Step 6: Final answer
    x = 664,344.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.