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Finding the Fourth Proportional to 609,756.42, 841,441.52 and 351,644.25

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Solution

The fourth proportional to 609,756.42, 841,441.52 and 351,644.25 is: 485,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,756.42 : 841,441.52 = 351,644.25 : x
  2. Step 2: Convert to fraction form
    609,756.42/841,441.52 = 351,644.25/x
  3. Step 3: Cross multiply
    609,756.42x = 841,441.52 × 351,644.25
  4. Step 4: Simplify right side
    609,756.42x = 295,888,068,357.44
  5. Step 5: Solve for x
    x = 295,888,068,357.44/609,756.42
  6. Step 6: Final answer
    x = 485,256.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.