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Finding the Fourth Proportional to 486,872.97, 671,751.27 and 333,949.02

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Solution

The fourth proportional to 486,872.97, 671,751.27 and 333,949.02 is: 460,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,872.97 : 671,751.27 = 333,949.02 : x
  2. Step 2: Convert to fraction form
    486,872.97/671,751.27 = 333,949.02/x
  3. Step 3: Cross multiply
    486,872.97x = 671,751.27 × 333,949.02
  4. Step 4: Simplify right side
    486,872.97x = 224,330,678,300.26
  5. Step 5: Solve for x
    x = 224,330,678,300.26/486,872.97
  6. Step 6: Final answer
    x = 460,758.13

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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.