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Finding the Fourth Proportional to 1,136.17, 1,703.03 and 549.93

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Solution

The fourth proportional to 1,136.17, 1,703.03 and 549.93 is: 824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.17 : 1,703.03 = 549.93 : x
  2. Step 2: Convert to fraction form
    1,136.17/1,703.03 = 549.93/x
  3. Step 3: Cross multiply
    1,136.17x = 1,703.03 × 549.93
  4. Step 4: Simplify right side
    1,136.17x = 936,555.05
  5. Step 5: Solve for x
    x = 936,555.05/1,136.17
  6. Step 6: Final answer
    x = 824.31

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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.