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Finding the Fourth Proportional to 332,408.68, 498,613 and 155,039.74

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Solution

The fourth proportional to 332,408.68, 498,613 and 155,039.74 is: 232,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,408.68 : 498,613 = 155,039.74 : x
  2. Step 2: Convert to fraction form
    332,408.68/498,613 = 155,039.74/x
  3. Step 3: Cross multiply
    332,408.68x = 498,613 × 155,039.74
  4. Step 4: Simplify right side
    332,408.68x = 77,304,829,880.62
  5. Step 5: Solve for x
    x = 77,304,829,880.62/332,408.68
  6. Step 6: Final answer
    x = 232,559.60

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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.