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Finding the Fourth Proportional to 703.06, 1,052.94 and 355.84

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Solution

The fourth proportional to 703.06, 1,052.94 and 355.84 is: 532.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.06 : 1,052.94 = 355.84 : x
  2. Step 2: Convert to fraction form
    703.06/1,052.94 = 355.84/x
  3. Step 3: Cross multiply
    703.06x = 1,052.94 × 355.84
  4. Step 4: Simplify right side
    703.06x = 374,678.17
  5. Step 5: Solve for x
    x = 374,678.17/703.06
  6. Step 6: Final answer
    x = 532.92

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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.