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Finding the Fourth Proportional to 359,796, 496,525.68 and 198,651.36

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Solution

The fourth proportional to 359,796, 496,525.68 and 198,651.36 is: 274,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,796 : 496,525.68 = 198,651.36 : x
  2. Step 2: Convert to fraction form
    359,796/496,525.68 = 198,651.36/x
  3. Step 3: Cross multiply
    359,796x = 496,525.68 × 198,651.36
  4. Step 4: Simplify right side
    359,796x = 98,635,501,606.92
  5. Step 5: Solve for x
    x = 98,635,501,606.92/359,796
  6. Step 6: Final answer
    x = 274,142.85

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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.