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Finding the Fourth Proportional to 359,617.48, 539,426.49 and 122,961.94

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Solution

The fourth proportional to 359,617.48, 539,426.49 and 122,961.94 is: 184,443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,617.48 : 539,426.49 = 122,961.94 : x
  2. Step 2: Convert to fraction form
    359,617.48/539,426.49 = 122,961.94/x
  3. Step 3: Cross multiply
    359,617.48x = 539,426.49 × 122,961.94
  4. Step 4: Simplify right side
    359,617.48x = 66,328,927,697.79
  5. Step 5: Solve for x
    x = 66,328,927,697.79/359,617.48
  6. Step 6: Final answer
    x = 184,443.00

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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.