Home / 355,217.06-532,366.32-265,768.76

Finding the Fourth Proportional to 355,217.06, 532,366.32 and 265,768.76

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Solution

The fourth proportional to 355,217.06, 532,366.32 and 265,768.76 is: 398,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,217.06 : 532,366.32 = 265,768.76 : x
  2. Step 2: Convert to fraction form
    355,217.06/532,366.32 = 265,768.76/x
  3. Step 3: Cross multiply
    355,217.06x = 532,366.32 × 265,768.76
  4. Step 4: Simplify right side
    355,217.06x = 141,486,336,732.16
  5. Step 5: Solve for x
    x = 141,486,336,732.16/355,217.06
  6. Step 6: Final answer
    x = 398,309.52

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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.