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Finding the Fourth Proportional to 537,558.73, 805,392.20 and 505,557.46

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Solution

The fourth proportional to 537,558.73, 805,392.20 and 505,557.46 is: 757,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,558.73 : 805,392.20 = 505,557.46 : x
  2. Step 2: Convert to fraction form
    537,558.73/805,392.20 = 505,557.46/x
  3. Step 3: Cross multiply
    537,558.73x = 805,392.20 × 505,557.46
  4. Step 4: Simplify right side
    537,558.73x = 407,172,031,465.05
  5. Step 5: Solve for x
    x = 407,172,031,465.05/537,558.73
  6. Step 6: Final answer
    x = 757,446.59

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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.