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Finding the Fourth Proportional to 277,193.30, 382,526.03 and 154,684.39

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Solution

The fourth proportional to 277,193.30, 382,526.03 and 154,684.39 is: 213,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,193.30 : 382,526.03 = 154,684.39 : x
  2. Step 2: Convert to fraction form
    277,193.30/382,526.03 = 154,684.39/x
  3. Step 3: Cross multiply
    277,193.30x = 382,526.03 × 154,684.39
  4. Step 4: Simplify right side
    277,193.30x = 59,170,804,266.65
  5. Step 5: Solve for x
    x = 59,170,804,266.65/277,193.30
  6. Step 6: Final answer
    x = 213,464.05

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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.