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Finding the Fourth Proportional to 1,007.07, 1,510.56 and 568.26

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Solution

The fourth proportional to 1,007.07, 1,510.56 and 568.26 is: 852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007.07 : 1,510.56 = 568.26 : x
  2. Step 2: Convert to fraction form
    1,007.07/1,510.56 = 568.26/x
  3. Step 3: Cross multiply
    1,007.07x = 1,510.56 × 568.26
  4. Step 4: Simplify right side
    1,007.07x = 858,390.83
  5. Step 5: Solve for x
    x = 858,390.83/1,007.07
  6. Step 6: Final answer
    x = 852.36

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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.