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Finding the Fourth Proportional to 539,187.06, 744,080.61 and 297,469.50

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Solution

The fourth proportional to 539,187.06, 744,080.61 and 297,469.50 is: 410,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,187.06 : 744,080.61 = 297,469.50 : x
  2. Step 2: Convert to fraction form
    539,187.06/744,080.61 = 297,469.50/x
  3. Step 3: Cross multiply
    539,187.06x = 744,080.61 × 297,469.50
  4. Step 4: Simplify right side
    539,187.06x = 221,341,287,016.40
  5. Step 5: Solve for x
    x = 221,341,287,016.40/539,187.06
  6. Step 6: Final answer
    x = 410,509.27

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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.