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Finding the Fourth Proportional to 606,809.76, 910,180.56 and 186,084.48

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Solution

The fourth proportional to 606,809.76, 910,180.56 and 186,084.48 is: 279,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,809.76 : 910,180.56 = 186,084.48 : x
  2. Step 2: Convert to fraction form
    606,809.76/910,180.56 = 186,084.48/x
  3. Step 3: Cross multiply
    606,809.76x = 910,180.56 × 186,084.48
  4. Step 4: Simplify right side
    606,809.76x = 169,370,476,213.71
  5. Step 5: Solve for x
    x = 169,370,476,213.71/606,809.76
  6. Step 6: Final answer
    x = 279,116.27

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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.