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Finding the Fourth Proportional to 300,304.32, 450,582.06 and 131,737.68

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Solution

The fourth proportional to 300,304.32, 450,582.06 and 131,737.68 is: 197,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,304.32 : 450,582.06 = 131,737.68 : x
  2. Step 2: Convert to fraction form
    300,304.32/450,582.06 = 131,737.68/x
  3. Step 3: Cross multiply
    300,304.32x = 450,582.06 × 131,737.68
  4. Step 4: Simplify right side
    300,304.32x = 59,358,635,234.02
  5. Step 5: Solve for x
    x = 59,358,635,234.02/300,304.32
  6. Step 6: Final answer
    x = 197,661.61

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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.