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Finding the Fourth Proportional to 607,015.20, 909,793.80 and 251,846.40

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Solution

The fourth proportional to 607,015.20, 909,793.80 and 251,846.40 is: 377,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,015.20 : 909,793.80 = 251,846.40 : x
  2. Step 2: Convert to fraction form
    607,015.20/909,793.80 = 251,846.40/x
  3. Step 3: Cross multiply
    607,015.20x = 909,793.80 × 251,846.40
  4. Step 4: Simplify right side
    607,015.20x = 229,128,293,272.32
  5. Step 5: Solve for x
    x = 229,128,293,272.32/607,015.20
  6. Step 6: Final answer
    x = 377,467.14

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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.