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Finding the Fourth Proportional to 290,061.46, 435,040.29 and 184,567.06

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Solution

The fourth proportional to 290,061.46, 435,040.29 and 184,567.06 is: 276,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,061.46 : 435,040.29 = 184,567.06 : x
  2. Step 2: Convert to fraction form
    290,061.46/435,040.29 = 184,567.06/x
  3. Step 3: Cross multiply
    290,061.46x = 435,040.29 × 184,567.06
  4. Step 4: Simplify right side
    290,061.46x = 80,294,107,306.85
  5. Step 5: Solve for x
    x = 80,294,107,306.85/290,061.46
  6. Step 6: Final answer
    x = 276,817.57

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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.