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Finding the Fourth Proportional to 303,561.10, 455,258.53 and 114,006.80

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Solution

The fourth proportional to 303,561.10, 455,258.53 and 114,006.80 is: 170,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,561.10 : 455,258.53 = 114,006.80 : x
  2. Step 2: Convert to fraction form
    303,561.10/455,258.53 = 114,006.80/x
  3. Step 3: Cross multiply
    303,561.10x = 455,258.53 × 114,006.80
  4. Step 4: Simplify right side
    303,561.10x = 51,902,568,178.00
  5. Step 5: Solve for x
    x = 51,902,568,178.00/303,561.10
  6. Step 6: Final answer
    x = 170,978.98

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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.