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Finding the Fourth Proportional to 359,775.92, 496,491.72 and 198,635.60

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Solution

The fourth proportional to 359,775.92, 496,491.72 and 198,635.60 is: 274,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,775.92 : 496,491.72 = 198,635.60 : x
  2. Step 2: Convert to fraction form
    359,775.92/496,491.72 = 198,635.60/x
  3. Step 3: Cross multiply
    359,775.92x = 496,491.72 × 198,635.60
  4. Step 4: Simplify right side
    359,775.92x = 98,620,930,697.23
  5. Step 5: Solve for x
    x = 98,620,930,697.23/359,775.92
  6. Step 6: Final answer
    x = 274,117.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.