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Finding the Fourth Proportional to 559,439.28, 839,745.87 and 495,804.57

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Solution

The fourth proportional to 559,439.28, 839,745.87 and 495,804.57 is: 744,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,439.28 : 839,745.87 = 495,804.57 : x
  2. Step 2: Convert to fraction form
    559,439.28/839,745.87 = 495,804.57/x
  3. Step 3: Cross multiply
    559,439.28x = 839,745.87 × 495,804.57
  4. Step 4: Simplify right side
    559,439.28x = 416,349,841,521.45
  5. Step 5: Solve for x
    x = 416,349,841,521.45/559,439.28
  6. Step 6: Final answer
    x = 744,227.04

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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.