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Finding the Fourth Proportional to 473.48, 710.16 and 351.92

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Solution

The fourth proportional to 473.48, 710.16 and 351.92 is: 527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.48 : 710.16 = 351.92 : x
  2. Step 2: Convert to fraction form
    473.48/710.16 = 351.92/x
  3. Step 3: Cross multiply
    473.48x = 710.16 × 351.92
  4. Step 4: Simplify right side
    473.48x = 249,919.51
  5. Step 5: Solve for x
    x = 249,919.51/473.48
  6. Step 6: Final answer
    x = 527.84

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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.