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Finding the Fourth Proportional to 1,539.36, 2,307.72 and 565.26

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Solution

The fourth proportional to 1,539.36, 2,307.72 and 565.26 is: 847.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.36 : 2,307.72 = 565.26 : x
  2. Step 2: Convert to fraction form
    1,539.36/2,307.72 = 565.26/x
  3. Step 3: Cross multiply
    1,539.36x = 2,307.72 × 565.26
  4. Step 4: Simplify right side
    1,539.36x = 1,304,461.81
  5. Step 5: Solve for x
    x = 1,304,461.81/1,539.36
  6. Step 6: Final answer
    x = 847.41

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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.