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Finding the Fourth Proportional to 675,149.28, 930,859.20 and 433,004.64

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Solution

The fourth proportional to 675,149.28, 930,859.20 and 433,004.64 is: 597,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,149.28 : 930,859.20 = 433,004.64 : x
  2. Step 2: Convert to fraction form
    675,149.28/930,859.20 = 433,004.64/x
  3. Step 3: Cross multiply
    675,149.28x = 930,859.20 × 433,004.64
  4. Step 4: Simplify right side
    675,149.28x = 403,066,352,786.69
  5. Step 5: Solve for x
    x = 403,066,352,786.69/675,149.28
  6. Step 6: Final answer
    x = 597,003.31

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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.