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Finding the Fourth Proportional to 1,076.04, 1,483.97 and 655.97

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Solution

The fourth proportional to 1,076.04, 1,483.97 and 655.97 is: 904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076.04 : 1,483.97 = 655.97 : x
  2. Step 2: Convert to fraction form
    1,076.04/1,483.97 = 655.97/x
  3. Step 3: Cross multiply
    1,076.04x = 1,483.97 × 655.97
  4. Step 4: Simplify right side
    1,076.04x = 973,429.10
  5. Step 5: Solve for x
    x = 973,429.10/1,076.04
  6. Step 6: Final answer
    x = 904.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.