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Finding the Fourth Proportional to 704.69, 1,056.92 and 236.16

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Solution

The fourth proportional to 704.69, 1,056.92 and 236.16 is: 354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.69 : 1,056.92 = 236.16 : x
  2. Step 2: Convert to fraction form
    704.69/1,056.92 = 236.16/x
  3. Step 3: Cross multiply
    704.69x = 1,056.92 × 236.16
  4. Step 4: Simplify right side
    704.69x = 249,602.23
  5. Step 5: Solve for x
    x = 249,602.23/704.69
  6. Step 6: Final answer
    x = 354.20

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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.