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Finding the Fourth Proportional to 404,519.55, 606,352.77 and 134,575.58

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Solution

The fourth proportional to 404,519.55, 606,352.77 and 134,575.58 is: 201,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,519.55 : 606,352.77 = 134,575.58 : x
  2. Step 2: Convert to fraction form
    404,519.55/606,352.77 = 134,575.58/x
  3. Step 3: Cross multiply
    404,519.55x = 606,352.77 × 134,575.58
  4. Step 4: Simplify right side
    404,519.55x = 81,600,277,223.24
  5. Step 5: Solve for x
    x = 81,600,277,223.24/404,519.55
  6. Step 6: Final answer
    x = 201,721.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.