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Finding the Fourth Proportional to 301,555.20, 452,505.60 and 114,700.80

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Solution

The fourth proportional to 301,555.20, 452,505.60 and 114,700.80 is: 172,116.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,555.20 : 452,505.60 = 114,700.80 : x
  2. Step 2: Convert to fraction form
    301,555.20/452,505.60 = 114,700.80/x
  3. Step 3: Cross multiply
    301,555.20x = 452,505.60 × 114,700.80
  4. Step 4: Simplify right side
    301,555.20x = 51,902,754,324.48
  5. Step 5: Solve for x
    x = 51,902,754,324.48/301,555.20
  6. Step 6: Final answer
    x = 172,116.93

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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.