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Finding the Fourth Proportional to 609,533.20, 912,226.20 and 534,883.60

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Solution

The fourth proportional to 609,533.20, 912,226.20 and 534,883.60 is: 800,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,533.20 : 912,226.20 = 534,883.60 : x
  2. Step 2: Convert to fraction form
    609,533.20/912,226.20 = 534,883.60/x
  3. Step 3: Cross multiply
    609,533.20x = 912,226.20 × 534,883.60
  4. Step 4: Simplify right side
    609,533.20x = 487,934,833,870.32
  5. Step 5: Solve for x
    x = 487,934,833,870.32/609,533.20
  6. Step 6: Final answer
    x = 800,505.75

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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.