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Finding the Fourth Proportional to 543,027.80, 814,152.90 and 227,322.20

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Solution

The fourth proportional to 543,027.80, 814,152.90 and 227,322.20 is: 340,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,027.80 : 814,152.90 = 227,322.20 : x
  2. Step 2: Convert to fraction form
    543,027.80/814,152.90 = 227,322.20/x
  3. Step 3: Cross multiply
    543,027.80x = 814,152.90 × 227,322.20
  4. Step 4: Simplify right side
    543,027.80x = 185,075,028,364.38
  5. Step 5: Solve for x
    x = 185,075,028,364.38/543,027.80
  6. Step 6: Final answer
    x = 340,820.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.