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Finding the Fourth Proportional to 898.76, 1,347.36 and 466.16

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Solution

The fourth proportional to 898.76, 1,347.36 and 466.16 is: 698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    898.76 : 1,347.36 = 466.16 : x
  2. Step 2: Convert to fraction form
    898.76/1,347.36 = 466.16/x
  3. Step 3: Cross multiply
    898.76x = 1,347.36 × 466.16
  4. Step 4: Simplify right side
    898.76x = 628,085.34
  5. Step 5: Solve for x
    x = 628,085.34/898.76
  6. Step 6: Final answer
    x = 698.84

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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.