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Finding the Fourth Proportional to 359,628.31, 496,284.63 and 198,483.36

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Solution

The fourth proportional to 359,628.31, 496,284.63 and 198,483.36 is: 273,905.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,628.31 : 496,284.63 = 198,483.36 : x
  2. Step 2: Convert to fraction form
    359,628.31/496,284.63 = 198,483.36/x
  3. Step 3: Cross multiply
    359,628.31x = 496,284.63 × 198,483.36
  4. Step 4: Simplify right side
    359,628.31x = 98,504,238,273.38
  5. Step 5: Solve for x
    x = 98,504,238,273.38/359,628.31
  6. Step 6: Final answer
    x = 273,905.69

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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.