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Finding the Fourth Proportional to 394,527.60, 590,916.60 and 157,748.40

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Solution

The fourth proportional to 394,527.60, 590,916.60 and 157,748.40 is: 236,272.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,527.60 : 590,916.60 = 157,748.40 : x
  2. Step 2: Convert to fraction form
    394,527.60/590,916.60 = 157,748.40/x
  3. Step 3: Cross multiply
    394,527.60x = 590,916.60 × 157,748.40
  4. Step 4: Simplify right side
    394,527.60x = 93,216,148,183.44
  5. Step 5: Solve for x
    x = 93,216,148,183.44/394,527.60
  6. Step 6: Final answer
    x = 236,272.82

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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.