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Finding the Fourth Proportional to 355,569.20, 534,520.20 and 251,111.60

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Solution

The fourth proportional to 355,569.20, 534,520.20 and 251,111.60 is: 377,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,569.20 : 534,520.20 = 251,111.60 : x
  2. Step 2: Convert to fraction form
    355,569.20/534,520.20 = 251,111.60/x
  3. Step 3: Cross multiply
    355,569.20x = 534,520.20 × 251,111.60
  4. Step 4: Simplify right side
    355,569.20x = 134,224,222,654.32
  5. Step 5: Solve for x
    x = 134,224,222,654.32/355,569.20
  6. Step 6: Final answer
    x = 377,491.14

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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.