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Finding the Fourth Proportional to 486,708.04, 671,650.02 and 271,851.16

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Solution

The fourth proportional to 486,708.04, 671,650.02 and 271,851.16 is: 375,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,708.04 : 671,650.02 = 271,851.16 : x
  2. Step 2: Convert to fraction form
    486,708.04/671,650.02 = 271,851.16/x
  3. Step 3: Cross multiply
    486,708.04x = 671,650.02 × 271,851.16
  4. Step 4: Simplify right side
    486,708.04x = 182,588,837,051.02
  5. Step 5: Solve for x
    x = 182,588,837,051.02/486,708.04
  6. Step 6: Final answer
    x = 375,150.65

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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.