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Finding the Fourth Proportional to 708.33, 1,060.44 and 526.53

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Solution

The fourth proportional to 708.33, 1,060.44 and 526.53 is: 788.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    708.33 : 1,060.44 = 526.53 : x
  2. Step 2: Convert to fraction form
    708.33/1,060.44 = 526.53/x
  3. Step 3: Cross multiply
    708.33x = 1,060.44 × 526.53
  4. Step 4: Simplify right side
    708.33x = 558,353.47
  5. Step 5: Solve for x
    x = 558,353.47/708.33
  6. Step 6: Final answer
    x = 788.27

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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.