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Finding the Fourth Proportional to 1,552.53, 2,328.93 and 578.52

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Solution

The fourth proportional to 1,552.53, 2,328.93 and 578.52 is: 867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.53 : 2,328.93 = 578.52 : x
  2. Step 2: Convert to fraction form
    1,552.53/2,328.93 = 578.52/x
  3. Step 3: Cross multiply
    1,552.53x = 2,328.93 × 578.52
  4. Step 4: Simplify right side
    1,552.53x = 1,347,332.58
  5. Step 5: Solve for x
    x = 1,347,332.58/1,552.53
  6. Step 6: Final answer
    x = 867.83

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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.