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Finding the Fourth Proportional to 474.14, 710.58 and 351.42

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Solution

The fourth proportional to 474.14, 710.58 and 351.42 is: 526.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.14 : 710.58 = 351.42 : x
  2. Step 2: Convert to fraction form
    474.14/710.58 = 351.42/x
  3. Step 3: Cross multiply
    474.14x = 710.58 × 351.42
  4. Step 4: Simplify right side
    474.14x = 249,712.02
  5. Step 5: Solve for x
    x = 249,712.02/474.14
  6. Step 6: Final answer
    x = 526.66

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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.