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Finding the Fourth Proportional to 215,169.80, 322,699.80 and 152,577.80

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Solution

The fourth proportional to 215,169.80, 322,699.80 and 152,577.80 is: 228,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,169.80 : 322,699.80 = 152,577.80 : x
  2. Step 2: Convert to fraction form
    215,169.80/322,699.80 = 152,577.80/x
  3. Step 3: Cross multiply
    215,169.80x = 322,699.80 × 152,577.80
  4. Step 4: Simplify right side
    215,169.80x = 49,236,825,544.44
  5. Step 5: Solve for x
    x = 49,236,825,544.44/215,169.80
  6. Step 6: Final answer
    x = 228,827.77

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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.