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Finding the Fourth Proportional to 609,537.20, 912,232.20 and 534,887.60

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Solution

The fourth proportional to 609,537.20, 912,232.20 and 534,887.60 is: 800,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,537.20 : 912,232.20 = 534,887.60 : x
  2. Step 2: Convert to fraction form
    609,537.20/912,232.20 = 534,887.60/x
  3. Step 3: Cross multiply
    609,537.20x = 912,232.20 × 534,887.60
  4. Step 4: Simplify right side
    609,537.20x = 487,941,692,100.72
  5. Step 5: Solve for x
    x = 487,941,692,100.72/609,537.20
  6. Step 6: Final answer
    x = 800,511.75

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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.