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Finding the Fourth Proportional to 355,391.27, 533,008.28 and 102,616.89

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Solution

The fourth proportional to 355,391.27, 533,008.28 and 102,616.89 is: 153,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,391.27 : 533,008.28 = 102,616.89 : x
  2. Step 2: Convert to fraction form
    355,391.27/533,008.28 = 102,616.89/x
  3. Step 3: Cross multiply
    355,391.27x = 533,008.28 × 102,616.89
  4. Step 4: Simplify right side
    355,391.27x = 54,695,651,524.76
  5. Step 5: Solve for x
    x = 54,695,651,524.76/355,391.27
  6. Step 6: Final answer
    x = 153,902.63

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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.