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Finding the Fourth Proportional to 534,002.77, 800,879.56 and 154,821.74

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Solution

The fourth proportional to 534,002.77, 800,879.56 and 154,821.74 is: 232,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,002.77 : 800,879.56 = 154,821.74 : x
  2. Step 2: Convert to fraction form
    534,002.77/800,879.56 = 154,821.74/x
  3. Step 3: Cross multiply
    534,002.77x = 800,879.56 × 154,821.74
  4. Step 4: Simplify right side
    534,002.77x = 123,993,567,009.63
  5. Step 5: Solve for x
    x = 123,993,567,009.63/534,002.77
  6. Step 6: Final answer
    x = 232,196.49

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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.