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Finding the Fourth Proportional to 360,858.44, 497,980.98 and 199,713.80

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Solution

The fourth proportional to 360,858.44, 497,980.98 and 199,713.80 is: 275,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,858.44 : 497,980.98 = 199,713.80 : x
  2. Step 2: Convert to fraction form
    360,858.44/497,980.98 = 199,713.80/x
  3. Step 3: Cross multiply
    360,858.44x = 497,980.98 × 199,713.80
  4. Step 4: Simplify right side
    360,858.44x = 99,453,673,843.52
  5. Step 5: Solve for x
    x = 99,453,673,843.52/360,858.44
  6. Step 6: Final answer
    x = 275,603.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.