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Finding the Fourth Proportional to 595.58, 822.56 and 448.83

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Solution

The fourth proportional to 595.58, 822.56 and 448.83 is: 619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.58 : 822.56 = 448.83 : x
  2. Step 2: Convert to fraction form
    595.58/822.56 = 448.83/x
  3. Step 3: Cross multiply
    595.58x = 822.56 × 448.83
  4. Step 4: Simplify right side
    595.58x = 369,187.36
  5. Step 5: Solve for x
    x = 369,187.36/595.58
  6. Step 6: Final answer
    x = 619.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.