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Finding the Fourth Proportional to 609,344.40, 913,368.60 and 293,595.60

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Solution

The fourth proportional to 609,344.40, 913,368.60 and 293,595.60 is: 440,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,344.40 : 913,368.60 = 293,595.60 : x
  2. Step 2: Convert to fraction form
    609,344.40/913,368.60 = 293,595.60/x
  3. Step 3: Cross multiply
    609,344.40x = 913,368.60 × 293,595.60
  4. Step 4: Simplify right side
    609,344.40x = 268,161,002,138.16
  5. Step 5: Solve for x
    x = 268,161,002,138.16/609,344.40
  6. Step 6: Final answer
    x = 440,081.18

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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.