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Finding the Fourth Proportional to 360,563.45, 497,557.62 and 199,407.87

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Solution

The fourth proportional to 360,563.45, 497,557.62 and 199,407.87 is: 275,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,563.45 : 497,557.62 = 199,407.87 : x
  2. Step 2: Convert to fraction form
    360,563.45/497,557.62 = 199,407.87/x
  3. Step 3: Cross multiply
    360,563.45x = 497,557.62 × 199,407.87
  4. Step 4: Simplify right side
    360,563.45x = 99,216,905,206.47
  5. Step 5: Solve for x
    x = 99,216,905,206.47/360,563.45
  6. Step 6: Final answer
    x = 275,171.84

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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.