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Finding the Fourth Proportional to 1,059.58, 1,588.36 and 590.34

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Solution

The fourth proportional to 1,059.58, 1,588.36 and 590.34 is: 884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.58 : 1,588.36 = 590.34 : x
  2. Step 2: Convert to fraction form
    1,059.58/1,588.36 = 590.34/x
  3. Step 3: Cross multiply
    1,059.58x = 1,588.36 × 590.34
  4. Step 4: Simplify right side
    1,059.58x = 937,669.10
  5. Step 5: Solve for x
    x = 937,669.10/1,059.58
  6. Step 6: Final answer
    x = 884.94

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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.