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Finding the Fourth Proportional to 707.36, 1,059.24 and 562.64

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Solution

The fourth proportional to 707.36, 1,059.24 and 562.64 is: 842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    707.36 : 1,059.24 = 562.64 : x
  2. Step 2: Convert to fraction form
    707.36/1,059.24 = 562.64/x
  3. Step 3: Cross multiply
    707.36x = 1,059.24 × 562.64
  4. Step 4: Simplify right side
    707.36x = 595,970.79
  5. Step 5: Solve for x
    x = 595,970.79/707.36
  6. Step 6: Final answer
    x = 842.53

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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.