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Finding the Fourth Proportional to 624,232.53, 861,348.51 and 379,089.81

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Solution

The fourth proportional to 624,232.53, 861,348.51 and 379,089.81 is: 523,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,232.53 : 861,348.51 = 379,089.81 : x
  2. Step 2: Convert to fraction form
    624,232.53/861,348.51 = 379,089.81/x
  3. Step 3: Cross multiply
    624,232.53x = 861,348.51 × 379,089.81
  4. Step 4: Simplify right side
    624,232.53x = 326,528,442,999.68
  5. Step 5: Solve for x
    x = 326,528,442,999.68/624,232.53
  6. Step 6: Final answer
    x = 523,087.84

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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.