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Finding the Fourth Proportional to 539,210.80, 808,524.60 and 223,699.60

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Solution

The fourth proportional to 539,210.80, 808,524.60 and 223,699.60 is: 335,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,210.80 : 808,524.60 = 223,699.60 : x
  2. Step 2: Convert to fraction form
    539,210.80/808,524.60 = 223,699.60/x
  3. Step 3: Cross multiply
    539,210.80x = 808,524.60 × 223,699.60
  4. Step 4: Simplify right side
    539,210.80x = 180,866,629,610.16
  5. Step 5: Solve for x
    x = 180,866,629,610.16/539,210.80
  6. Step 6: Final answer
    x = 335,428.43

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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.