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Finding the Fourth Proportional to 609,827.56, 915,579.22 and 310,509.26

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Solution

The fourth proportional to 609,827.56, 915,579.22 and 310,509.26 is: 466,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,827.56 : 915,579.22 = 310,509.26 : x
  2. Step 2: Convert to fraction form
    609,827.56/915,579.22 = 310,509.26/x
  3. Step 3: Cross multiply
    609,827.56x = 915,579.22 × 310,509.26
  4. Step 4: Simplify right side
    609,827.56x = 284,295,826,073.58
  5. Step 5: Solve for x
    x = 284,295,826,073.58/609,827.56
  6. Step 6: Final answer
    x = 466,190.52

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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.