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Finding the Fourth Proportional to 362,420.48, 500,110.48 and 199,068.54

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Solution

The fourth proportional to 362,420.48, 500,110.48 and 199,068.54 is: 274,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,420.48 : 500,110.48 = 199,068.54 : x
  2. Step 2: Convert to fraction form
    362,420.48/500,110.48 = 199,068.54/x
  3. Step 3: Cross multiply
    362,420.48x = 500,110.48 × 199,068.54
  4. Step 4: Simplify right side
    362,420.48x = 99,556,263,092.30
  5. Step 5: Solve for x
    x = 99,556,263,092.30/362,420.48
  6. Step 6: Final answer
    x = 274,698.23

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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.