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Finding the Fourth Proportional to 359,628.25, 496,284.54 and 198,483.30

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Solution

The fourth proportional to 359,628.25, 496,284.54 and 198,483.30 is: 273,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,628.25 : 496,284.54 = 198,483.30 : x
  2. Step 2: Convert to fraction form
    359,628.25/496,284.54 = 198,483.30/x
  3. Step 3: Cross multiply
    359,628.25x = 496,284.54 × 198,483.30
  4. Step 4: Simplify right side
    359,628.25x = 98,504,190,756.76
  5. Step 5: Solve for x
    x = 98,504,190,756.76/359,628.25
  6. Step 6: Final answer
    x = 273,905.60

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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.