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Finding the Fourth Proportional to 260,047.40, 390,071.10 and 244,495.40

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Solution

The fourth proportional to 260,047.40, 390,071.10 and 244,495.40 is: 366,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,047.40 : 390,071.10 = 244,495.40 : x
  2. Step 2: Convert to fraction form
    260,047.40/390,071.10 = 244,495.40/x
  3. Step 3: Cross multiply
    260,047.40x = 390,071.10 × 244,495.40
  4. Step 4: Simplify right side
    260,047.40x = 95,370,589,622.94
  5. Step 5: Solve for x
    x = 95,370,589,622.94/260,047.40
  6. Step 6: Final answer
    x = 366,743.10

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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.