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Finding the Fourth Proportional to 359,284.01, 538,975.22 and 122,563.13

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Solution

The fourth proportional to 359,284.01, 538,975.22 and 122,563.13 is: 183,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,284.01 : 538,975.22 = 122,563.13 : x
  2. Step 2: Convert to fraction form
    359,284.01/538,975.22 = 122,563.13/x
  3. Step 3: Cross multiply
    359,284.01x = 538,975.22 × 122,563.13
  4. Step 4: Simplify right side
    359,284.01x = 66,058,486,647.95
  5. Step 5: Solve for x
    x = 66,058,486,647.95/359,284.01
  6. Step 6: Final answer
    x = 183,861.47

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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.