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Finding the Fourth Proportional to 342,228.96, 513,304.21 and 89,533.83

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Solution

The fourth proportional to 342,228.96, 513,304.21 and 89,533.83 is: 134,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,228.96 : 513,304.21 = 89,533.83 : x
  2. Step 2: Convert to fraction form
    342,228.96/513,304.21 = 89,533.83/x
  3. Step 3: Cross multiply
    342,228.96x = 513,304.21 × 89,533.83
  4. Step 4: Simplify right side
    342,228.96x = 45,958,093,913.23
  5. Step 5: Solve for x
    x = 45,958,093,913.23/342,228.96
  6. Step 6: Final answer
    x = 134,290.49

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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.