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Finding the Fourth Proportional to 359,546.61, 539,383.50 and 122,833.83

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Solution

The fourth proportional to 359,546.61, 539,383.50 and 122,833.83 is: 184,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,546.61 : 539,383.50 = 122,833.83 : x
  2. Step 2: Convert to fraction form
    359,546.61/539,383.50 = 122,833.83/x
  3. Step 3: Cross multiply
    359,546.61x = 539,383.50 × 122,833.83
  4. Step 4: Simplify right side
    359,546.61x = 66,254,541,143.81
  5. Step 5: Solve for x
    x = 66,254,541,143.81/359,546.61
  6. Step 6: Final answer
    x = 184,272.47

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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.