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Finding the Fourth Proportional to 1,025.05, 1,414.65 and 583.06

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Solution

The fourth proportional to 1,025.05, 1,414.65 and 583.06 is: 804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.05 : 1,414.65 = 583.06 : x
  2. Step 2: Convert to fraction form
    1,025.05/1,414.65 = 583.06/x
  3. Step 3: Cross multiply
    1,025.05x = 1,414.65 × 583.06
  4. Step 4: Simplify right side
    1,025.05x = 824,825.83
  5. Step 5: Solve for x
    x = 824,825.83/1,025.05
  6. Step 6: Final answer
    x = 804.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.