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Finding the Fourth Proportional to 433,443.03, 650,234 and 133,853.19

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Solution

The fourth proportional to 433,443.03, 650,234 and 133,853.19 is: 200,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,443.03 : 650,234 = 133,853.19 : x
  2. Step 2: Convert to fraction form
    433,443.03/650,234 = 133,853.19/x
  3. Step 3: Cross multiply
    433,443.03x = 650,234 × 133,853.19
  4. Step 4: Simplify right side
    433,443.03x = 87,035,895,146.46
  5. Step 5: Solve for x
    x = 87,035,895,146.46/433,443.03
  6. Step 6: Final answer
    x = 200,801.23

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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.