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Finding the Fourth Proportional to 795.62, 1,192.44 and 577.00

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Solution

The fourth proportional to 795.62, 1,192.44 and 577.00 is: 864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.62 : 1,192.44 = 577.00 : x
  2. Step 2: Convert to fraction form
    795.62/1,192.44 = 577.00/x
  3. Step 3: Cross multiply
    795.62x = 1,192.44 × 577.00
  4. Step 4: Simplify right side
    795.62x = 688,034.83
  5. Step 5: Solve for x
    x = 688,034.83/795.62
  6. Step 6: Final answer
    x = 864.78

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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.