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Finding the Fourth Proportional to 364,544.69, 503,059.88 and 198,966.31

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Solution

The fourth proportional to 364,544.69, 503,059.88 and 198,966.31 is: 274,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,544.69 : 503,059.88 = 198,966.31 : x
  2. Step 2: Convert to fraction form
    364,544.69/503,059.88 = 198,966.31/x
  3. Step 3: Cross multiply
    364,544.69x = 503,059.88 × 198,966.31
  4. Step 4: Simplify right side
    364,544.69x = 100,091,967,272.41
  5. Step 5: Solve for x
    x = 100,091,967,272.41/364,544.69
  6. Step 6: Final answer
    x = 274,567.07

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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.