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Finding the Fourth Proportional to 433,416.98, 650,187.66 and 133,923.71

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Solution

The fourth proportional to 433,416.98, 650,187.66 and 133,923.71 is: 200,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,416.98 : 650,187.66 = 133,923.71 : x
  2. Step 2: Convert to fraction form
    433,416.98/650,187.66 = 133,923.71/x
  3. Step 3: Cross multiply
    433,416.98x = 650,187.66 × 133,923.71
  4. Step 4: Simplify right side
    433,416.98x = 87,075,543,623.42
  5. Step 5: Solve for x
    x = 87,075,543,623.42/433,416.98
  6. Step 6: Final answer
    x = 200,904.78

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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.