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Finding the Fourth Proportional to 832.05, 1,246.62 and 465.93

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Solution

The fourth proportional to 832.05, 1,246.62 and 465.93 is: 698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    832.05 : 1,246.62 = 465.93 : x
  2. Step 2: Convert to fraction form
    832.05/1,246.62 = 465.93/x
  3. Step 3: Cross multiply
    832.05x = 1,246.62 × 465.93
  4. Step 4: Simplify right side
    832.05x = 580,837.66
  5. Step 5: Solve for x
    x = 580,837.66/832.05
  6. Step 6: Final answer
    x = 698.08

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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.