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Finding the Fourth Proportional to 473.53, 710.55 and 358.69

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Solution

The fourth proportional to 473.53, 710.55 and 358.69 is: 538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.53 : 710.55 = 358.69 : x
  2. Step 2: Convert to fraction form
    473.53/710.55 = 358.69/x
  3. Step 3: Cross multiply
    473.53x = 710.55 × 358.69
  4. Step 4: Simplify right side
    473.53x = 254,865.40
  5. Step 5: Solve for x
    x = 254,865.40/473.53
  6. Step 6: Final answer
    x = 538.23

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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.