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Finding the Fourth Proportional to 1,483.79, 2,225.61 and 704.16

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Solution

The fourth proportional to 1,483.79, 2,225.61 and 704.16 is: 1,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.79 : 2,225.61 = 704.16 : x
  2. Step 2: Convert to fraction form
    1,483.79/2,225.61 = 704.16/x
  3. Step 3: Cross multiply
    1,483.79x = 2,225.61 × 704.16
  4. Step 4: Simplify right side
    1,483.79x = 1,567,185.54
  5. Step 5: Solve for x
    x = 1,567,185.54/1,483.79
  6. Step 6: Final answer
    x = 1,056.21

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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.