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Finding the Fourth Proportional to 572.94, 860.20 and 295.53

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Solution

The fourth proportional to 572.94, 860.20 and 295.53 is: 443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.94 : 860.20 = 295.53 : x
  2. Step 2: Convert to fraction form
    572.94/860.20 = 295.53/x
  3. Step 3: Cross multiply
    572.94x = 860.20 × 295.53
  4. Step 4: Simplify right side
    572.94x = 254,210.94
  5. Step 5: Solve for x
    x = 254,210.94/572.94
  6. Step 6: Final answer
    x = 443.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.