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Finding the Fourth Proportional to 1,357.63, 2,036.26 and 370.52

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Solution

The fourth proportional to 1,357.63, 2,036.26 and 370.52 is: 555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.63 : 2,036.26 = 370.52 : x
  2. Step 2: Convert to fraction form
    1,357.63/2,036.26 = 370.52/x
  3. Step 3: Cross multiply
    1,357.63x = 2,036.26 × 370.52
  4. Step 4: Simplify right side
    1,357.63x = 754,475.06
  5. Step 5: Solve for x
    x = 754,475.06/1,357.63
  6. Step 6: Final answer
    x = 555.73

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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.