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Finding the Fourth Proportional to 1,046.81, 1,570.94 and 362.81

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Solution

The fourth proportional to 1,046.81, 1,570.94 and 362.81 is: 544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.81 : 1,570.94 = 362.81 : x
  2. Step 2: Convert to fraction form
    1,046.81/1,570.94 = 362.81/x
  3. Step 3: Cross multiply
    1,046.81x = 1,570.94 × 362.81
  4. Step 4: Simplify right side
    1,046.81x = 569,956.22
  5. Step 5: Solve for x
    x = 569,956.22/1,046.81
  6. Step 6: Final answer
    x = 544.47

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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.