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Finding the Fourth Proportional to 2,316.72, 3,474.92 and 585.36

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Solution

The fourth proportional to 2,316.72, 3,474.92 and 585.36 is: 878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.72 : 3,474.92 = 585.36 : x
  2. Step 2: Convert to fraction form
    2,316.72/3,474.92 = 585.36/x
  3. Step 3: Cross multiply
    2,316.72x = 3,474.92 × 585.36
  4. Step 4: Simplify right side
    2,316.72x = 2,034,079.17
  5. Step 5: Solve for x
    x = 2,034,079.17/2,316.72
  6. Step 6: Final answer
    x = 878.00

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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.