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Finding the Fourth Proportional to 396,606.10, 594,685.59 and 130,295.11

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Solution

The fourth proportional to 396,606.10, 594,685.59 and 130,295.11 is: 195,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,606.10 : 594,685.59 = 130,295.11 : x
  2. Step 2: Convert to fraction form
    396,606.10/594,685.59 = 130,295.11/x
  3. Step 3: Cross multiply
    396,606.10x = 594,685.59 × 130,295.11
  4. Step 4: Simplify right side
    396,606.10x = 77,484,624,364.46
  5. Step 5: Solve for x
    x = 77,484,624,364.46/396,606.10
  6. Step 6: Final answer
    x = 195,369.22

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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.