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Finding the Fourth Proportional to 583,096.84, 874,768 and 330,498.36

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Solution

The fourth proportional to 583,096.84, 874,768 and 330,498.36 is: 495,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,096.84 : 874,768 = 330,498.36 : x
  2. Step 2: Convert to fraction form
    583,096.84/874,768 = 330,498.36/x
  3. Step 3: Cross multiply
    583,096.84x = 874,768 × 330,498.36
  4. Step 4: Simplify right side
    583,096.84x = 289,109,389,380.48
  5. Step 5: Solve for x
    x = 289,109,389,380.48/583,096.84
  6. Step 6: Final answer
    x = 495,817.11

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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.