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Finding the Fourth Proportional to 359,747.45, 496,438.47 and 198,599.04

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Solution

The fourth proportional to 359,747.45, 496,438.47 and 198,599.04 is: 274,059.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,747.45 : 496,438.47 = 198,599.04 : x
  2. Step 2: Convert to fraction form
    359,747.45/496,438.47 = 198,599.04/x
  3. Step 3: Cross multiply
    359,747.45x = 496,438.47 × 198,599.04
  4. Step 4: Simplify right side
    359,747.45x = 98,592,203,561.07
  5. Step 5: Solve for x
    x = 98,592,203,561.07/359,747.45
  6. Step 6: Final answer
    x = 274,059.50

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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.