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Finding the Fourth Proportional to 606,882.20, 910,323.30 and 492,720.80

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Solution

The fourth proportional to 606,882.20, 910,323.30 and 492,720.80 is: 739,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,882.20 : 910,323.30 = 492,720.80 : x
  2. Step 2: Convert to fraction form
    606,882.20/910,323.30 = 492,720.80/x
  3. Step 3: Cross multiply
    606,882.20x = 910,323.30 × 492,720.80
  4. Step 4: Simplify right side
    606,882.20x = 448,535,224,634.64
  5. Step 5: Solve for x
    x = 448,535,224,634.64/606,882.20
  6. Step 6: Final answer
    x = 739,081.20

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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.