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Finding the Fourth Proportional to 1,052.58, 1,578.81 and 322.07

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Solution

The fourth proportional to 1,052.58, 1,578.81 and 322.07 is: 483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.58 : 1,578.81 = 322.07 : x
  2. Step 2: Convert to fraction form
    1,052.58/1,578.81 = 322.07/x
  3. Step 3: Cross multiply
    1,052.58x = 1,578.81 × 322.07
  4. Step 4: Simplify right side
    1,052.58x = 508,479.44
  5. Step 5: Solve for x
    x = 508,479.44/1,052.58
  6. Step 6: Final answer
    x = 483.08

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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.