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Finding the Fourth Proportional to 260,054.40, 390,081.60 and 244,502.40

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Solution

The fourth proportional to 260,054.40, 390,081.60 and 244,502.40 is: 366,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,054.40 : 390,081.60 = 244,502.40 : x
  2. Step 2: Convert to fraction form
    260,054.40/390,081.60 = 244,502.40/x
  3. Step 3: Cross multiply
    260,054.40x = 390,081.60 × 244,502.40
  4. Step 4: Simplify right side
    260,054.40x = 95,375,887,395.84
  5. Step 5: Solve for x
    x = 95,375,887,395.84/260,054.40
  6. Step 6: Final answer
    x = 366,753.60

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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.