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Finding the Fourth Proportional to 441,189.33, 661,857.81 and 346,415.69

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Solution

The fourth proportional to 441,189.33, 661,857.81 and 346,415.69 is: 519,681.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,189.33 : 661,857.81 = 346,415.69 : x
  2. Step 2: Convert to fraction form
    441,189.33/661,857.81 = 346,415.69/x
  3. Step 3: Cross multiply
    441,189.33x = 661,857.81 × 346,415.69
  4. Step 4: Simplify right side
    441,189.33x = 229,277,929,933.04
  5. Step 5: Solve for x
    x = 229,277,929,933.04/441,189.33
  6. Step 6: Final answer
    x = 519,681.49

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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.