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Finding the Fourth Proportional to 474,782.04, 655,243.74 and 283,791.33

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Solution

The fourth proportional to 474,782.04, 655,243.74 and 283,791.33 is: 391,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,782.04 : 655,243.74 = 283,791.33 : x
  2. Step 2: Convert to fraction form
    474,782.04/655,243.74 = 283,791.33/x
  3. Step 3: Cross multiply
    474,782.04x = 655,243.74 × 283,791.33
  4. Step 4: Simplify right side
    474,782.04x = 185,952,492,448.77
  5. Step 5: Solve for x
    x = 185,952,492,448.77/474,782.04
  6. Step 6: Final answer
    x = 391,658.65

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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.