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Finding the Fourth Proportional to 354,993.16, 532,095.31 and 270,474.67

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Solution

The fourth proportional to 354,993.16, 532,095.31 and 270,474.67 is: 405,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,993.16 : 532,095.31 = 270,474.67 : x
  2. Step 2: Convert to fraction form
    354,993.16/532,095.31 = 270,474.67/x
  3. Step 3: Cross multiply
    354,993.16x = 532,095.31 × 270,474.67
  4. Step 4: Simplify right side
    354,993.16x = 143,918,302,862.59
  5. Step 5: Solve for x
    x = 143,918,302,862.59/354,993.16
  6. Step 6: Final answer
    x = 405,411.48

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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.