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Finding the Fourth Proportional to 1,052.03, 1,576.87 and 503.03

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Solution

The fourth proportional to 1,052.03, 1,576.87 and 503.03 is: 753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.03 : 1,576.87 = 503.03 : x
  2. Step 2: Convert to fraction form
    1,052.03/1,576.87 = 503.03/x
  3. Step 3: Cross multiply
    1,052.03x = 1,576.87 × 503.03
  4. Step 4: Simplify right side
    1,052.03x = 793,212.92
  5. Step 5: Solve for x
    x = 793,212.92/1,052.03
  6. Step 6: Final answer
    x = 753.98

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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.