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Finding the Fourth Proportional to 595.40, 821.60 and 333.36

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Solution

The fourth proportional to 595.40, 821.60 and 333.36 is: 460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.40 : 821.60 = 333.36 : x
  2. Step 2: Convert to fraction form
    595.40/821.60 = 333.36/x
  3. Step 3: Cross multiply
    595.40x = 821.60 × 333.36
  4. Step 4: Simplify right side
    595.40x = 273,888.58
  5. Step 5: Solve for x
    x = 273,888.58/595.40
  6. Step 6: Final answer
    x = 460.01

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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.