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Finding the Fourth Proportional to 1,170.01, 1,754.37 and 476.50

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Solution

The fourth proportional to 1,170.01, 1,754.37 and 476.50 is: 714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.01 : 1,754.37 = 476.50 : x
  2. Step 2: Convert to fraction form
    1,170.01/1,754.37 = 476.50/x
  3. Step 3: Cross multiply
    1,170.01x = 1,754.37 × 476.50
  4. Step 4: Simplify right side
    1,170.01x = 835,957.31
  5. Step 5: Solve for x
    x = 835,957.31/1,170.01
  6. Step 6: Final answer
    x = 714.49

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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.