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Finding the Fourth Proportional to 702.93, 970.16 and 536.83

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Solution

The fourth proportional to 702.93, 970.16 and 536.83 is: 740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.93 : 970.16 = 536.83 : x
  2. Step 2: Convert to fraction form
    702.93/970.16 = 536.83/x
  3. Step 3: Cross multiply
    702.93x = 970.16 × 536.83
  4. Step 4: Simplify right side
    702.93x = 520,810.99
  5. Step 5: Solve for x
    x = 520,810.99/702.93
  6. Step 6: Final answer
    x = 740.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.