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Finding the Fourth Proportional to 573.04, 859.32 and 316.24

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Solution

The fourth proportional to 573.04, 859.32 and 316.24 is: 474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.04 : 859.32 = 316.24 : x
  2. Step 2: Convert to fraction form
    573.04/859.32 = 316.24/x
  3. Step 3: Cross multiply
    573.04x = 859.32 × 316.24
  4. Step 4: Simplify right side
    573.04x = 271,751.36
  5. Step 5: Solve for x
    x = 271,751.36/573.04
  6. Step 6: Final answer
    x = 474.23

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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.