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Finding the Fourth Proportional to 609,234.40, 913,203.60 and 293,485.60

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Solution

The fourth proportional to 609,234.40, 913,203.60 and 293,485.60 is: 439,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,234.40 : 913,203.60 = 293,485.60 : x
  2. Step 2: Convert to fraction form
    609,234.40/913,203.60 = 293,485.60/x
  3. Step 3: Cross multiply
    609,234.40x = 913,203.60 × 293,485.60
  4. Step 4: Simplify right side
    609,234.40x = 268,012,106,468.16
  5. Step 5: Solve for x
    x = 268,012,106,468.16/609,234.40
  6. Step 6: Final answer
    x = 439,916.24

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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.