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Finding the Fourth Proportional to 486,802.63, 671,785.89 and 269,005.24

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Solution

The fourth proportional to 486,802.63, 671,785.89 and 269,005.24 is: 371,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,802.63 : 671,785.89 = 269,005.24 : x
  2. Step 2: Convert to fraction form
    486,802.63/671,785.89 = 269,005.24/x
  3. Step 3: Cross multiply
    486,802.63x = 671,785.89 × 269,005.24
  4. Step 4: Simplify right side
    486,802.63x = 180,713,924,568.06
  5. Step 5: Solve for x
    x = 180,713,924,568.06/486,802.63
  6. Step 6: Final answer
    x = 371,226.27

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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.