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Finding the Fourth Proportional to 486,801.63, 671,784.51 and 269,004.24

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Solution

The fourth proportional to 486,801.63, 671,784.51 and 269,004.24 is: 371,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,801.63 : 671,784.51 = 269,004.24 : x
  2. Step 2: Convert to fraction form
    486,801.63/671,784.51 = 269,004.24/x
  3. Step 3: Cross multiply
    486,801.63x = 671,784.51 × 269,004.24
  4. Step 4: Simplify right side
    486,801.63x = 180,712,881,556.32
  5. Step 5: Solve for x
    x = 180,712,881,556.32/486,801.63
  6. Step 6: Final answer
    x = 371,224.89

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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.