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Finding the Fourth Proportional to 1,004.36, 1,506.66 and 565.56

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Solution

The fourth proportional to 1,004.36, 1,506.66 and 565.56 is: 848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.36 : 1,506.66 = 565.56 : x
  2. Step 2: Convert to fraction form
    1,004.36/1,506.66 = 565.56/x
  3. Step 3: Cross multiply
    1,004.36x = 1,506.66 × 565.56
  4. Step 4: Simplify right side
    1,004.36x = 852,106.63
  5. Step 5: Solve for x
    x = 852,106.63/1,004.36
  6. Step 6: Final answer
    x = 848.41

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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.