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Finding the Fourth Proportional to 798.51, 1,102.29 and 466.88

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Solution

The fourth proportional to 798.51, 1,102.29 and 466.88 is: 644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.51 : 1,102.29 = 466.88 : x
  2. Step 2: Convert to fraction form
    798.51/1,102.29 = 466.88/x
  3. Step 3: Cross multiply
    798.51x = 1,102.29 × 466.88
  4. Step 4: Simplify right side
    798.51x = 514,637.16
  5. Step 5: Solve for x
    x = 514,637.16/798.51
  6. Step 6: Final answer
    x = 644.50

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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.