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Finding the Fourth Proportional to 617,124.84, 851,606.10 and 359,002.41

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Solution

The fourth proportional to 617,124.84, 851,606.10 and 359,002.41 is: 495,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,124.84 : 851,606.10 = 359,002.41 : x
  2. Step 2: Convert to fraction form
    617,124.84/851,606.10 = 359,002.41/x
  3. Step 3: Cross multiply
    617,124.84x = 851,606.10 × 359,002.41
  4. Step 4: Simplify right side
    617,124.84x = 305,728,642,270.70
  5. Step 5: Solve for x
    x = 305,728,642,270.70/617,124.84
  6. Step 6: Final answer
    x = 495,408.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.