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Finding the Fourth Proportional to 1,347.33, 2,021.00 and 373.43

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Solution

The fourth proportional to 1,347.33, 2,021.00 and 373.43 is: 560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.33 : 2,021.00 = 373.43 : x
  2. Step 2: Convert to fraction form
    1,347.33/2,021.00 = 373.43/x
  3. Step 3: Cross multiply
    1,347.33x = 2,021.00 × 373.43
  4. Step 4: Simplify right side
    1,347.33x = 754,705.22
  5. Step 5: Solve for x
    x = 754,705.22/1,347.33
  6. Step 6: Final answer
    x = 560.15

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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.