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Finding the Fourth Proportional to 609,332.40, 913,350.60 and 293,583.60

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Solution

The fourth proportional to 609,332.40, 913,350.60 and 293,583.60 is: 440,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,332.40 : 913,350.60 = 293,583.60 : x
  2. Step 2: Convert to fraction form
    609,332.40/913,350.60 = 293,583.60/x
  3. Step 3: Cross multiply
    609,332.40x = 913,350.60 × 293,583.60
  4. Step 4: Simplify right side
    609,332.40x = 268,144,757,210.16
  5. Step 5: Solve for x
    x = 268,144,757,210.16/609,332.40
  6. Step 6: Final answer
    x = 440,063.19

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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.