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Finding the Fourth Proportional to 702.84, 1,052 and 373.32

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Solution

The fourth proportional to 702.84, 1,052 and 373.32 is: 558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.84 : 1,052 = 373.32 : x
  2. Step 2: Convert to fraction form
    702.84/1,052 = 373.32/x
  3. Step 3: Cross multiply
    702.84x = 1,052 × 373.32
  4. Step 4: Simplify right side
    702.84x = 392,732.64
  5. Step 5: Solve for x
    x = 392,732.64/702.84
  6. Step 6: Final answer
    x = 558.78

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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.