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Finding the Fourth Proportional to 589,530.80, 884,296.20 and 339,921.20

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Solution

The fourth proportional to 589,530.80, 884,296.20 and 339,921.20 is: 509,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,530.80 : 884,296.20 = 339,921.20 : x
  2. Step 2: Convert to fraction form
    589,530.80/884,296.20 = 339,921.20/x
  3. Step 3: Cross multiply
    589,530.80x = 884,296.20 × 339,921.20
  4. Step 4: Simplify right side
    589,530.80x = 300,591,025,459.44
  5. Step 5: Solve for x
    x = 300,591,025,459.44/589,530.80
  6. Step 6: Final answer
    x = 509,881.80

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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.