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Finding the Fourth Proportional to 1,224.02, 1,836.01 and 358.33

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Solution

The fourth proportional to 1,224.02, 1,836.01 and 358.33 is: 537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.02 : 1,836.01 = 358.33 : x
  2. Step 2: Convert to fraction form
    1,224.02/1,836.01 = 358.33/x
  3. Step 3: Cross multiply
    1,224.02x = 1,836.01 × 358.33
  4. Step 4: Simplify right side
    1,224.02x = 657,895.67
  5. Step 5: Solve for x
    x = 657,895.67/1,224.02
  6. Step 6: Final answer
    x = 537.49

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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.