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Finding the Fourth Proportional to 330,416.32, 495,624.87 and 90,532.27

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Solution

The fourth proportional to 330,416.32, 495,624.87 and 90,532.27 is: 135,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,416.32 : 495,624.87 = 90,532.27 : x
  2. Step 2: Convert to fraction form
    330,416.32/495,624.87 = 90,532.27/x
  3. Step 3: Cross multiply
    330,416.32x = 495,624.87 × 90,532.27
  4. Step 4: Simplify right side
    330,416.32x = 44,870,044,549.55
  5. Step 5: Solve for x
    x = 44,870,044,549.55/330,416.32
  6. Step 6: Final answer
    x = 135,798.51

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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.