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Finding the Fourth Proportional to 1,059.14, 1,588.32 and 365.63

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Solution

The fourth proportional to 1,059.14, 1,588.32 and 365.63 is: 548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.14 : 1,588.32 = 365.63 : x
  2. Step 2: Convert to fraction form
    1,059.14/1,588.32 = 365.63/x
  3. Step 3: Cross multiply
    1,059.14x = 1,588.32 × 365.63
  4. Step 4: Simplify right side
    1,059.14x = 580,729.50
  5. Step 5: Solve for x
    x = 580,729.50/1,059.14
  6. Step 6: Final answer
    x = 548.30

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1.5x scale

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.