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Finding the Fourth Proportional to 360,889.50, 498,027.51 and 210,086.94

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Solution

The fourth proportional to 360,889.50, 498,027.51 and 210,086.94 is: 289,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,889.50 : 498,027.51 = 210,086.94 : x
  2. Step 2: Convert to fraction form
    360,889.50/498,027.51 = 210,086.94/x
  3. Step 3: Cross multiply
    360,889.50x = 498,027.51 × 210,086.94
  4. Step 4: Simplify right side
    360,889.50x = 104,629,075,611.72
  5. Step 5: Solve for x
    x = 104,629,075,611.72/360,889.50
  6. Step 6: Final answer
    x = 289,919.98

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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.