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Finding the Fourth Proportional to 1,075.66, 1,613.74 and 335.23

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Solution

The fourth proportional to 1,075.66, 1,613.74 and 335.23 is: 502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.66 : 1,613.74 = 335.23 : x
  2. Step 2: Convert to fraction form
    1,075.66/1,613.74 = 335.23/x
  3. Step 3: Cross multiply
    1,075.66x = 1,613.74 × 335.23
  4. Step 4: Simplify right side
    1,075.66x = 540,975.24
  5. Step 5: Solve for x
    x = 540,975.24/1,075.66
  6. Step 6: Final answer
    x = 502.93

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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.