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Finding the Fourth Proportional to 354,013.83, 488,536.38 and 192,868.38

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Solution

The fourth proportional to 354,013.83, 488,536.38 and 192,868.38 is: 266,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,013.83 : 488,536.38 = 192,868.38 : x
  2. Step 2: Convert to fraction form
    354,013.83/488,536.38 = 192,868.38/x
  3. Step 3: Cross multiply
    354,013.83x = 488,536.38 × 192,868.38
  4. Step 4: Simplify right side
    354,013.83x = 94,223,220,181.66
  5. Step 5: Solve for x
    x = 94,223,220,181.66/354,013.83
  6. Step 6: Final answer
    x = 266,156.89

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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.