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Finding the Fourth Proportional to 580,059.04, 869,904.24 and 394,264.48

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Solution

The fourth proportional to 580,059.04, 869,904.24 and 394,264.48 is: 591,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,059.04 : 869,904.24 = 394,264.48 : x
  2. Step 2: Convert to fraction form
    580,059.04/869,904.24 = 394,264.48/x
  3. Step 3: Cross multiply
    580,059.04x = 869,904.24 × 394,264.48
  4. Step 4: Simplify right side
    580,059.04x = 342,972,342,833.40
  5. Step 5: Solve for x
    x = 342,972,342,833.40/580,059.04
  6. Step 6: Final answer
    x = 591,271.44

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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.