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Finding the Fourth Proportional to 609,328.80, 914,252.40 and 293,623.20

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Solution

The fourth proportional to 609,328.80, 914,252.40 and 293,623.20 is: 440,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,328.80 : 914,252.40 = 293,623.20 : x
  2. Step 2: Convert to fraction form
    609,328.80/914,252.40 = 293,623.20/x
  3. Step 3: Cross multiply
    609,328.80x = 914,252.40 × 293,623.20
  4. Step 4: Simplify right side
    609,328.80x = 268,445,715,295.68
  5. Step 5: Solve for x
    x = 268,445,715,295.68/609,328.80
  6. Step 6: Final answer
    x = 440,559.70

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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.