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Finding the Fourth Proportional to 294,777.97, 406,678.12 and 181,403.89

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Solution

The fourth proportional to 294,777.97, 406,678.12 and 181,403.89 is: 250,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,777.97 : 406,678.12 = 181,403.89 : x
  2. Step 2: Convert to fraction form
    294,777.97/406,678.12 = 181,403.89/x
  3. Step 3: Cross multiply
    294,777.97x = 406,678.12 × 181,403.89
  4. Step 4: Simplify right side
    294,777.97x = 73,772,992,945.89
  5. Step 5: Solve for x
    x = 73,772,992,945.89/294,777.97
  6. Step 6: Final answer
    x = 250,266.30

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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.