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Finding the Fourth Proportional to 360,441.36, 497,400.28 and 199,292.32

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Solution

The fourth proportional to 360,441.36, 497,400.28 and 199,292.32 is: 275,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,441.36 : 497,400.28 = 199,292.32 : x
  2. Step 2: Convert to fraction form
    360,441.36/497,400.28 = 199,292.32/x
  3. Step 3: Cross multiply
    360,441.36x = 497,400.28 × 199,292.32
  4. Step 4: Simplify right side
    360,441.36x = 99,128,055,769.85
  5. Step 5: Solve for x
    x = 99,128,055,769.85/360,441.36
  6. Step 6: Final answer
    x = 275,018.54

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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.