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Finding the Fourth Proportional to 455,062.67, 682,416.57 and 170,598.16

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Solution

The fourth proportional to 455,062.67, 682,416.57 and 170,598.16 is: 255,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,062.67 : 682,416.57 = 170,598.16 : x
  2. Step 2: Convert to fraction form
    455,062.67/682,416.57 = 170,598.16/x
  3. Step 3: Cross multiply
    455,062.67x = 682,416.57 × 170,598.16
  4. Step 4: Simplify right side
    455,062.67x = 116,419,011,195.51
  5. Step 5: Solve for x
    x = 116,419,011,195.51/455,062.67
  6. Step 6: Final answer
    x = 255,830.72

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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.