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Finding the Fourth Proportional to 486,709.04, 671,651.40 and 271,852.16

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Solution

The fourth proportional to 486,709.04, 671,651.40 and 271,852.16 is: 375,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,709.04 : 671,651.40 = 271,852.16 : x
  2. Step 2: Convert to fraction form
    486,709.04/671,651.40 = 271,852.16/x
  3. Step 3: Cross multiply
    486,709.04x = 671,651.40 × 271,852.16
  4. Step 4: Simplify right side
    486,709.04x = 182,589,883,857.02
  5. Step 5: Solve for x
    x = 182,589,883,857.02/486,709.04
  6. Step 6: Final answer
    x = 375,152.03

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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.