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Finding the Fourth Proportional to 609,671.64, 914,596.56 and 293,868.84

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Solution

The fourth proportional to 609,671.64, 914,596.56 and 293,868.84 is: 440,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,671.64 : 914,596.56 = 293,868.84 : x
  2. Step 2: Convert to fraction form
    609,671.64/914,596.56 = 293,868.84/x
  3. Step 3: Cross multiply
    609,671.64x = 914,596.56 × 293,868.84
  4. Step 4: Simplify right side
    609,671.64x = 268,771,430,155.19
  5. Step 5: Solve for x
    x = 268,771,430,155.19/609,671.64
  6. Step 6: Final answer
    x = 440,846.21

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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.