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Finding the Fourth Proportional to 530.02, 794.48 and 222.05

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Solution

The fourth proportional to 530.02, 794.48 and 222.05 is: 332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.02 : 794.48 = 222.05 : x
  2. Step 2: Convert to fraction form
    530.02/794.48 = 222.05/x
  3. Step 3: Cross multiply
    530.02x = 794.48 × 222.05
  4. Step 4: Simplify right side
    530.02x = 176,411.94
  5. Step 5: Solve for x
    x = 176,411.94/530.02
  6. Step 6: Final answer
    x = 332.84

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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.