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Finding the Fourth Proportional to 1,050.75, 1,576.80 and 473.63

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Solution

The fourth proportional to 1,050.75, 1,576.80 and 473.63 is: 710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.75 : 1,576.80 = 473.63 : x
  2. Step 2: Convert to fraction form
    1,050.75/1,576.80 = 473.63/x
  3. Step 3: Cross multiply
    1,050.75x = 1,576.80 × 473.63
  4. Step 4: Simplify right side
    1,050.75x = 746,811.90
  5. Step 5: Solve for x
    x = 746,811.90/1,050.75
  6. Step 6: Final answer
    x = 710.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.