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Finding the Fourth Proportional to 360,451.12, 497,402.44 and 199,296.48

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Solution

The fourth proportional to 360,451.12, 497,402.44 and 199,296.48 is: 275,018.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,451.12 : 497,402.44 = 199,296.48 : x
  2. Step 2: Convert to fraction form
    360,451.12/497,402.44 = 199,296.48/x
  3. Step 3: Cross multiply
    360,451.12x = 497,402.44 × 199,296.48
  4. Step 4: Simplify right side
    360,451.12x = 99,130,555,435.41
  5. Step 5: Solve for x
    x = 99,130,555,435.41/360,451.12
  6. Step 6: Final answer
    x = 275,018.03

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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.