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Finding the Fourth Proportional to 537,576.70, 805,418.98 and 505,575.48

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Solution

The fourth proportional to 537,576.70, 805,418.98 and 505,575.48 is: 757,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,576.70 : 805,418.98 = 505,575.48 : x
  2. Step 2: Convert to fraction form
    537,576.70/805,418.98 = 505,575.48/x
  3. Step 3: Cross multiply
    537,576.70x = 805,418.98 × 505,575.48
  4. Step 4: Simplify right side
    537,576.70x = 407,200,087,414.61
  5. Step 5: Solve for x
    x = 407,200,087,414.61/537,576.70
  6. Step 6: Final answer
    x = 757,473.47

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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.