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Finding the Fourth Proportional to 574,744.40, 862,505.40 and 322,024.40

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Solution

The fourth proportional to 574,744.40, 862,505.40 and 322,024.40 is: 483,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,744.40 : 862,505.40 = 322,024.40 : x
  2. Step 2: Convert to fraction form
    574,744.40/862,505.40 = 322,024.40/x
  3. Step 3: Cross multiply
    574,744.40x = 862,505.40 × 322,024.40
  4. Step 4: Simplify right side
    574,744.40x = 277,747,783,931.76
  5. Step 5: Solve for x
    x = 277,747,783,931.76/574,744.40
  6. Step 6: Final answer
    x = 483,254.44

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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.