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Finding the Fourth Proportional to 595.74, 822.24 and 419.52

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Solution

The fourth proportional to 595.74, 822.24 and 419.52 is: 579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.74 : 822.24 = 419.52 : x
  2. Step 2: Convert to fraction form
    595.74/822.24 = 419.52/x
  3. Step 3: Cross multiply
    595.74x = 822.24 × 419.52
  4. Step 4: Simplify right side
    595.74x = 344,946.12
  5. Step 5: Solve for x
    x = 344,946.12/595.74
  6. Step 6: Final answer
    x = 579.02

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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.