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Finding the Fourth Proportional to 954.09, 1,316.26 and 706.01

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Solution

The fourth proportional to 954.09, 1,316.26 and 706.01 is: 974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.09 : 1,316.26 = 706.01 : x
  2. Step 2: Convert to fraction form
    954.09/1,316.26 = 706.01/x
  3. Step 3: Cross multiply
    954.09x = 1,316.26 × 706.01
  4. Step 4: Simplify right side
    954.09x = 929,292.72
  5. Step 5: Solve for x
    x = 929,292.72/954.09
  6. Step 6: Final answer
    x = 974.01

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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.