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Finding the Fourth Proportional to 530.54, 795.40 and 222.22

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Solution

The fourth proportional to 530.54, 795.40 and 222.22 is: 333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.54 : 795.40 = 222.22 : x
  2. Step 2: Convert to fraction form
    530.54/795.40 = 222.22/x
  3. Step 3: Cross multiply
    530.54x = 795.40 × 222.22
  4. Step 4: Simplify right side
    530.54x = 176,753.79
  5. Step 5: Solve for x
    x = 176,753.79/530.54
  6. Step 6: Final answer
    x = 333.16

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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.