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Finding the Fourth Proportional to 1,136.07, 1,704.14 and 356.08

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Solution

The fourth proportional to 1,136.07, 1,704.14 and 356.08 is: 534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.07 : 1,704.14 = 356.08 : x
  2. Step 2: Convert to fraction form
    1,136.07/1,704.14 = 356.08/x
  3. Step 3: Cross multiply
    1,136.07x = 1,704.14 × 356.08
  4. Step 4: Simplify right side
    1,136.07x = 606,810.17
  5. Step 5: Solve for x
    x = 606,810.17/1,136.07
  6. Step 6: Final answer
    x = 534.13

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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.