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Finding the Fourth Proportional to 954.06, 1,316.04 and 580.74

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Solution

The fourth proportional to 954.06, 1,316.04 and 580.74 is: 801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.06 : 1,316.04 = 580.74 : x
  2. Step 2: Convert to fraction form
    954.06/1,316.04 = 580.74/x
  3. Step 3: Cross multiply
    954.06x = 1,316.04 × 580.74
  4. Step 4: Simplify right side
    954.06x = 764,277.07
  5. Step 5: Solve for x
    x = 764,277.07/954.06
  6. Step 6: Final answer
    x = 801.08

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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.