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Finding the Fourth Proportional to 1,036.69, 1,554.58 and 549.63

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Solution

The fourth proportional to 1,036.69, 1,554.58 and 549.63 is: 824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.69 : 1,554.58 = 549.63 : x
  2. Step 2: Convert to fraction form
    1,036.69/1,554.58 = 549.63/x
  3. Step 3: Cross multiply
    1,036.69x = 1,554.58 × 549.63
  4. Step 4: Simplify right side
    1,036.69x = 854,443.81
  5. Step 5: Solve for x
    x = 854,443.81/1,036.69
  6. Step 6: Final answer
    x = 824.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.