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Finding the Fourth Proportional to 1,052.44, 1,578.65 and 322.01

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Solution

The fourth proportional to 1,052.44, 1,578.65 and 322.01 is: 483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.44 : 1,578.65 = 322.01 : x
  2. Step 2: Convert to fraction form
    1,052.44/1,578.65 = 322.01/x
  3. Step 3: Cross multiply
    1,052.44x = 1,578.65 × 322.01
  4. Step 4: Simplify right side
    1,052.44x = 508,339.48
  5. Step 5: Solve for x
    x = 508,339.48/1,052.44
  6. Step 6: Final answer
    x = 483.01

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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.