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Finding the Fourth Proportional to 359,674.08, 496,344 and 198,528.96

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Solution

The fourth proportional to 359,674.08, 496,344 and 198,528.96 is: 273,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,674.08 : 496,344 = 198,528.96 : x
  2. Step 2: Convert to fraction form
    359,674.08/496,344 = 198,528.96/x
  3. Step 3: Cross multiply
    359,674.08x = 496,344 × 198,528.96
  4. Step 4: Simplify right side
    359,674.08x = 98,538,658,122.24
  5. Step 5: Solve for x
    x = 98,538,658,122.24/359,674.08
  6. Step 6: Final answer
    x = 273,966.53

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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.