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Finding the Fourth Proportional to 476.44, 715.02 and 348.52

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Solution

The fourth proportional to 476.44, 715.02 and 348.52 is: 523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.44 : 715.02 = 348.52 : x
  2. Step 2: Convert to fraction form
    476.44/715.02 = 348.52/x
  3. Step 3: Cross multiply
    476.44x = 715.02 × 348.52
  4. Step 4: Simplify right side
    476.44x = 249,198.77
  5. Step 5: Solve for x
    x = 249,198.77/476.44
  6. Step 6: Final answer
    x = 523.04

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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.