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Finding the Fourth Proportional to 1,901.67, 2,852.61 and 603.24

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Solution

The fourth proportional to 1,901.67, 2,852.61 and 603.24 is: 904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.67 : 2,852.61 = 603.24 : x
  2. Step 2: Convert to fraction form
    1,901.67/2,852.61 = 603.24/x
  3. Step 3: Cross multiply
    1,901.67x = 2,852.61 × 603.24
  4. Step 4: Simplify right side
    1,901.67x = 1,720,805.44
  5. Step 5: Solve for x
    x = 1,720,805.44/1,901.67
  6. Step 6: Final answer
    x = 904.89

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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.