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Finding the Fourth Proportional to 565,531.53, 779,630.43 and 449,795.49

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Solution

The fourth proportional to 565,531.53, 779,630.43 and 449,795.49 is: 620,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,531.53 : 779,630.43 = 449,795.49 : x
  2. Step 2: Convert to fraction form
    565,531.53/779,630.43 = 449,795.49/x
  3. Step 3: Cross multiply
    565,531.53x = 779,630.43 × 449,795.49
  4. Step 4: Simplify right side
    565,531.53x = 350,674,251,280.76
  5. Step 5: Solve for x
    x = 350,674,251,280.76/565,531.53
  6. Step 6: Final answer
    x = 620,079.05

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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.