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Finding the Fourth Proportional to 1,041.26, 1,436.94 and 575.51

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Solution

The fourth proportional to 1,041.26, 1,436.94 and 575.51 is: 794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.26 : 1,436.94 = 575.51 : x
  2. Step 2: Convert to fraction form
    1,041.26/1,436.94 = 575.51/x
  3. Step 3: Cross multiply
    1,041.26x = 1,436.94 × 575.51
  4. Step 4: Simplify right side
    1,041.26x = 826,966.15
  5. Step 5: Solve for x
    x = 826,966.15/1,041.26
  6. Step 6: Final answer
    x = 794.20

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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.