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Finding the Fourth Proportional to 357,255.70, 535,182.91 and 207,180.70

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Solution

The fourth proportional to 357,255.70, 535,182.91 and 207,180.70 is: 310,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,255.70 : 535,182.91 = 207,180.70 : x
  2. Step 2: Convert to fraction form
    357,255.70/535,182.91 = 207,180.70/x
  3. Step 3: Cross multiply
    357,255.70x = 535,182.91 × 207,180.70
  4. Step 4: Simplify right side
    357,255.70x = 110,879,571,367.68
  5. Step 5: Solve for x
    x = 110,879,571,367.68/357,255.70
  6. Step 6: Final answer
    x = 310,364.74

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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.