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Finding the Fourth Proportional to 303,331.78, 454,614.90 and 153,609.76

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Solution

The fourth proportional to 303,331.78, 454,614.90 and 153,609.76 is: 230,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,331.78 : 454,614.90 = 153,609.76 : x
  2. Step 2: Convert to fraction form
    303,331.78/454,614.90 = 153,609.76/x
  3. Step 3: Cross multiply
    303,331.78x = 454,614.90 × 153,609.76
  4. Step 4: Simplify right side
    303,331.78x = 69,833,285,681.42
  5. Step 5: Solve for x
    x = 69,833,285,681.42/303,331.78
  6. Step 6: Final answer
    x = 230,220.80

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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.