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Finding the Fourth Proportional to 565,534.53, 779,634.57 and 449,798.49

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Solution

The fourth proportional to 565,534.53, 779,634.57 and 449,798.49 is: 620,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,534.53 : 779,634.57 = 449,798.49 : x
  2. Step 2: Convert to fraction form
    565,534.53/779,634.57 = 449,798.49/x
  3. Step 3: Cross multiply
    565,534.53x = 779,634.57 × 449,798.49
  4. Step 4: Simplify right side
    565,534.53x = 350,678,452,337.80
  5. Step 5: Solve for x
    x = 350,678,452,337.80/565,534.53
  6. Step 6: Final answer
    x = 620,083.18

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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.