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Finding the Fourth Proportional to 1,373.53, 2,060.47 and 448.84

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Solution

The fourth proportional to 1,373.53, 2,060.47 and 448.84 is: 673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.53 : 2,060.47 = 448.84 : x
  2. Step 2: Convert to fraction form
    1,373.53/2,060.47 = 448.84/x
  3. Step 3: Cross multiply
    1,373.53x = 2,060.47 × 448.84
  4. Step 4: Simplify right side
    1,373.53x = 924,821.35
  5. Step 5: Solve for x
    x = 924,821.35/1,373.53
  6. Step 6: Final answer
    x = 673.32

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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.