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Finding the Fourth Proportional to 359,746.81, 496,448.12 and 198,601.83

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Solution

The fourth proportional to 359,746.81, 496,448.12 and 198,601.83 is: 274,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,746.81 : 496,448.12 = 198,601.83 : x
  2. Step 2: Convert to fraction form
    359,746.81/496,448.12 = 198,601.83/x
  3. Step 3: Cross multiply
    359,746.81x = 496,448.12 × 198,601.83
  4. Step 4: Simplify right side
    359,746.81x = 98,595,505,628.56
  5. Step 5: Solve for x
    x = 98,595,505,628.56/359,746.81
  6. Step 6: Final answer
    x = 274,069.16

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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.