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Finding the Fourth Proportional to 1,059.19, 1,588.79 and 482.06

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Solution

The fourth proportional to 1,059.19, 1,588.79 and 482.06 is: 723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.19 : 1,588.79 = 482.06 : x
  2. Step 2: Convert to fraction form
    1,059.19/1,588.79 = 482.06/x
  3. Step 3: Cross multiply
    1,059.19x = 1,588.79 × 482.06
  4. Step 4: Simplify right side
    1,059.19x = 765,897.28
  5. Step 5: Solve for x
    x = 765,897.28/1,059.19
  6. Step 6: Final answer
    x = 723.10

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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.