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Finding the Fourth Proportional to 703.99, 1,056.39 and 588.16

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Solution

The fourth proportional to 703.99, 1,056.39 and 588.16 is: 882.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.99 : 1,056.39 = 588.16 : x
  2. Step 2: Convert to fraction form
    703.99/1,056.39 = 588.16/x
  3. Step 3: Cross multiply
    703.99x = 1,056.39 × 588.16
  4. Step 4: Simplify right side
    703.99x = 621,326.34
  5. Step 5: Solve for x
    x = 621,326.34/703.99
  6. Step 6: Final answer
    x = 882.58

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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.