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Finding the Fourth Proportional to 565,176.44, 779,406.66 and 371,240.60

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Solution

The fourth proportional to 565,176.44, 779,406.66 and 371,240.60 is: 511,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,176.44 : 779,406.66 = 371,240.60 : x
  2. Step 2: Convert to fraction form
    565,176.44/779,406.66 = 371,240.60/x
  3. Step 3: Cross multiply
    565,176.44x = 779,406.66 × 371,240.60
  4. Step 4: Simplify right side
    565,176.44x = 289,347,396,102.40
  5. Step 5: Solve for x
    x = 289,347,396,102.40/565,176.44
  6. Step 6: Final answer
    x = 511,959.41

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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.