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Finding the Fourth Proportional to 290,055.96, 435,032.04 and 184,561.56

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Solution

The fourth proportional to 290,055.96, 435,032.04 and 184,561.56 is: 276,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,055.96 : 435,032.04 = 184,561.56 : x
  2. Step 2: Convert to fraction form
    290,055.96/435,032.04 = 184,561.56/x
  3. Step 3: Cross multiply
    290,055.96x = 435,032.04 × 184,561.56
  4. Step 4: Simplify right side
    290,055.96x = 80,290,191,952.38
  5. Step 5: Solve for x
    x = 80,290,191,952.38/290,055.96
  6. Step 6: Final answer
    x = 276,809.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.