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Finding the Fourth Proportional to 539,550.06, 744,620.31 and 297,879.18

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Solution

The fourth proportional to 539,550.06, 744,620.31 and 297,879.18 is: 411,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,550.06 : 744,620.31 = 297,879.18 : x
  2. Step 2: Convert to fraction form
    539,550.06/744,620.31 = 297,879.18/x
  3. Step 3: Cross multiply
    539,550.06x = 744,620.31 × 297,879.18
  4. Step 4: Simplify right side
    539,550.06x = 221,806,887,354.15
  5. Step 5: Solve for x
    x = 221,806,887,354.15/539,550.06
  6. Step 6: Final answer
    x = 411,096.03

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1.5x scale

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.