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Finding the Fourth Proportional to 294,661.54, 406,526.30 and 192,745.12

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Solution

The fourth proportional to 294,661.54, 406,526.30 and 192,745.12 is: 265,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,661.54 : 406,526.30 = 192,745.12 : x
  2. Step 2: Convert to fraction form
    294,661.54/406,526.30 = 192,745.12/x
  3. Step 3: Cross multiply
    294,661.54x = 406,526.30 × 192,745.12
  4. Step 4: Simplify right side
    294,661.54x = 78,355,960,476.66
  5. Step 5: Solve for x
    x = 78,355,960,476.66/294,661.54
  6. Step 6: Final answer
    x = 265,918.52

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1.5x scale

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.