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Finding the Fourth Proportional to 543,539.22, 750,131.65 and 301,869.03

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Solution

The fourth proportional to 543,539.22, 750,131.65 and 301,869.03 is: 416,605.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,539.22 : 750,131.65 = 301,869.03 : x
  2. Step 2: Convert to fraction form
    543,539.22/750,131.65 = 301,869.03/x
  3. Step 3: Cross multiply
    543,539.22x = 750,131.65 × 301,869.03
  4. Step 4: Simplify right side
    543,539.22x = 226,441,513,557.80
  5. Step 5: Solve for x
    x = 226,441,513,557.80/543,539.22
  6. Step 6: Final answer
    x = 416,605.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.