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Finding the Fourth Proportional to 504,015.60, 755,002.80 and 313,892.40

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Solution

The fourth proportional to 504,015.60, 755,002.80 and 313,892.40 is: 470,202.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,015.60 : 755,002.80 = 313,892.40 : x
  2. Step 2: Convert to fraction form
    504,015.60/755,002.80 = 313,892.40/x
  3. Step 3: Cross multiply
    504,015.60x = 755,002.80 × 313,892.40
  4. Step 4: Simplify right side
    504,015.60x = 236,989,640,898.72
  5. Step 5: Solve for x
    x = 236,989,640,898.72/504,015.60
  6. Step 6: Final answer
    x = 470,202.99

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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.