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Finding the Fourth Proportional to 359,505.34, 539,258 and 122,850.07

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Solution

The fourth proportional to 359,505.34, 539,258 and 122,850.07 is: 184,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,505.34 : 539,258 = 122,850.07 : x
  2. Step 2: Convert to fraction form
    359,505.34/539,258 = 122,850.07/x
  3. Step 3: Cross multiply
    359,505.34x = 539,258 × 122,850.07
  4. Step 4: Simplify right side
    359,505.34x = 66,247,883,048.06
  5. Step 5: Solve for x
    x = 66,247,883,048.06/359,505.34
  6. Step 6: Final answer
    x = 184,275.10

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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.