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Finding the Fourth Proportional to 352,532.98, 528,274.40 and 194,806.54

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Solution

The fourth proportional to 352,532.98, 528,274.40 and 194,806.54 is: 291,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,532.98 : 528,274.40 = 194,806.54 : x
  2. Step 2: Convert to fraction form
    352,532.98/528,274.40 = 194,806.54/x
  3. Step 3: Cross multiply
    352,532.98x = 528,274.40 × 194,806.54
  4. Step 4: Simplify right side
    352,532.98x = 102,911,308,034.58
  5. Step 5: Solve for x
    x = 102,911,308,034.58/352,532.98
  6. Step 6: Final answer
    x = 291,919.66

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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.