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Finding the Fourth Proportional to 624,736.28, 937,104.39 and 151,421.63

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Solution

The fourth proportional to 624,736.28, 937,104.39 and 151,421.63 is: 227,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,736.28 : 937,104.39 = 151,421.63 : x
  2. Step 2: Convert to fraction form
    624,736.28/937,104.39 = 151,421.63/x
  3. Step 3: Cross multiply
    624,736.28x = 937,104.39 × 151,421.63
  4. Step 4: Simplify right side
    624,736.28x = 141,897,869,528.43
  5. Step 5: Solve for x
    x = 141,897,869,528.43/624,736.28
  6. Step 6: Final answer
    x = 227,132.43

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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.