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Finding the Fourth Proportional to 513,730.92, 767,446.22 and 370,352.57

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Solution

The fourth proportional to 513,730.92, 767,446.22 and 370,352.57 is: 553,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,730.92 : 767,446.22 = 370,352.57 : x
  2. Step 2: Convert to fraction form
    513,730.92/767,446.22 = 370,352.57/x
  3. Step 3: Cross multiply
    513,730.92x = 767,446.22 × 370,352.57
  4. Step 4: Simplify right side
    513,730.92x = 284,225,677,002.44
  5. Step 5: Solve for x
    x = 284,225,677,002.44/513,730.92
  6. Step 6: Final answer
    x = 553,257.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.