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Finding the Fourth Proportional to 264,570.47, 364,759.82 and 190,921.09

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Solution

The fourth proportional to 264,570.47, 364,759.82 and 190,921.09 is: 263,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,570.47 : 364,759.82 = 190,921.09 : x
  2. Step 2: Convert to fraction form
    264,570.47/364,759.82 = 190,921.09/x
  3. Step 3: Cross multiply
    264,570.47x = 364,759.82 × 190,921.09
  4. Step 4: Simplify right side
    264,570.47x = 69,640,342,639.90
  5. Step 5: Solve for x
    x = 69,640,342,639.90/264,570.47
  6. Step 6: Final answer
    x = 263,220.40

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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.