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Finding the Fourth Proportional to 360,563.72, 497,558.40 and 199,409.36

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Solution

The fourth proportional to 360,563.72, 497,558.40 and 199,409.36 is: 275,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,563.72 : 497,558.40 = 199,409.36 : x
  2. Step 2: Convert to fraction form
    360,563.72/497,558.40 = 199,409.36/x
  3. Step 3: Cross multiply
    360,563.72x = 497,558.40 × 199,409.36
  4. Step 4: Simplify right side
    360,563.72x = 99,217,802,106.62
  5. Step 5: Solve for x
    x = 99,217,802,106.62/360,563.72
  6. Step 6: Final answer
    x = 275,174.11

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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.