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Finding the Fourth Proportional to 440,879.54, 608,470.05 and 259,608.34

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Solution

The fourth proportional to 440,879.54, 608,470.05 and 259,608.34 is: 358,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,879.54 : 608,470.05 = 259,608.34 : x
  2. Step 2: Convert to fraction form
    440,879.54/608,470.05 = 259,608.34/x
  3. Step 3: Cross multiply
    440,879.54x = 608,470.05 × 259,608.34
  4. Step 4: Simplify right side
    440,879.54x = 157,963,900,867.57
  5. Step 5: Solve for x
    x = 157,963,900,867.57/440,879.54
  6. Step 6: Final answer
    x = 358,292.65

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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.