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Finding the Fourth Proportional to 539,360.20, 809,364.30 and 223,784.20

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Solution

The fourth proportional to 539,360.20, 809,364.30 and 223,784.20 is: 335,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,360.20 : 809,364.30 = 223,784.20 : x
  2. Step 2: Convert to fraction form
    539,360.20/809,364.30 = 223,784.20/x
  3. Step 3: Cross multiply
    539,360.20x = 809,364.30 × 223,784.20
  4. Step 4: Simplify right side
    539,360.20x = 181,122,942,384.06
  5. Step 5: Solve for x
    x = 181,122,942,384.06/539,360.20
  6. Step 6: Final answer
    x = 335,810.73

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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.