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Finding the Fourth Proportional to 356,877.08, 492,488.06 and 203,962.04

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Solution

The fourth proportional to 356,877.08, 492,488.06 and 203,962.04 is: 281,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,877.08 : 492,488.06 = 203,962.04 : x
  2. Step 2: Convert to fraction form
    356,877.08/492,488.06 = 203,962.04/x
  3. Step 3: Cross multiply
    356,877.08x = 492,488.06 × 203,962.04
  4. Step 4: Simplify right side
    356,877.08x = 100,448,865,910.99
  5. Step 5: Solve for x
    x = 100,448,865,910.99/356,877.08
  6. Step 6: Final answer
    x = 281,466.29

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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.