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Finding the Fourth Proportional to 1,564.33, 2,346.25 and 524.33

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Solution

The fourth proportional to 1,564.33, 2,346.25 and 524.33 is: 786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564.33 : 2,346.25 = 524.33 : x
  2. Step 2: Convert to fraction form
    1,564.33/2,346.25 = 524.33/x
  3. Step 3: Cross multiply
    1,564.33x = 2,346.25 × 524.33
  4. Step 4: Simplify right side
    1,564.33x = 1,230,209.26
  5. Step 5: Solve for x
    x = 1,230,209.26/1,564.33
  6. Step 6: Final answer
    x = 786.41

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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.