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Finding the Fourth Proportional to 444,006.80, 666,010.20 and 311,037.20

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Solution

The fourth proportional to 444,006.80, 666,010.20 and 311,037.20 is: 466,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,006.80 : 666,010.20 = 311,037.20 : x
  2. Step 2: Convert to fraction form
    444,006.80/666,010.20 = 311,037.20/x
  3. Step 3: Cross multiply
    444,006.80x = 666,010.20 × 311,037.20
  4. Step 4: Simplify right side
    444,006.80x = 207,153,947,779.44
  5. Step 5: Solve for x
    x = 207,153,947,779.44/444,006.80
  6. Step 6: Final answer
    x = 466,555.80

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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.