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Finding the Fourth Proportional to 455,537.20, 683,305.80 and 160,049.20

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Solution

The fourth proportional to 455,537.20, 683,305.80 and 160,049.20 is: 240,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,537.20 : 683,305.80 = 160,049.20 : x
  2. Step 2: Convert to fraction form
    455,537.20/683,305.80 = 160,049.20/x
  3. Step 3: Cross multiply
    455,537.20x = 683,305.80 × 160,049.20
  4. Step 4: Simplify right side
    455,537.20x = 109,362,546,645.36
  5. Step 5: Solve for x
    x = 109,362,546,645.36/455,537.20
  6. Step 6: Final answer
    x = 240,073.80

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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.