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Finding the Fourth Proportional to 451,637.49, 623,287.71 and 250,433.49

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Solution

The fourth proportional to 451,637.49, 623,287.71 and 250,433.49 is: 345,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,637.49 : 623,287.71 = 250,433.49 : x
  2. Step 2: Convert to fraction form
    451,637.49/623,287.71 = 250,433.49/x
  3. Step 3: Cross multiply
    451,637.49x = 623,287.71 × 250,433.49
  4. Step 4: Simplify right side
    451,637.49x = 156,092,116,489.41
  5. Step 5: Solve for x
    x = 156,092,116,489.41/451,637.49
  6. Step 6: Final answer
    x = 345,613.73

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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.