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Finding the Fourth Proportional to 455,061.67, 682,415.08 and 170,597.16

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Solution

The fourth proportional to 455,061.67, 682,415.08 and 170,597.16 is: 255,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,061.67 : 682,415.08 = 170,597.16 : x
  2. Step 2: Convert to fraction form
    455,061.67/682,415.08 = 170,597.16/x
  3. Step 3: Cross multiply
    455,061.67x = 682,415.08 × 170,597.16
  4. Step 4: Simplify right side
    455,061.67x = 116,418,070,324.11
  5. Step 5: Solve for x
    x = 116,418,070,324.11/455,061.67
  6. Step 6: Final answer
    x = 255,829.22

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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.