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Finding the Fourth Proportional to 534,209.30, 801,310.93 and 134,848.43

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Solution

The fourth proportional to 534,209.30, 801,310.93 and 134,848.43 is: 202,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,209.30 : 801,310.93 = 134,848.43 : x
  2. Step 2: Convert to fraction form
    534,209.30/801,310.93 = 134,848.43/x
  3. Step 3: Cross multiply
    534,209.30x = 801,310.93 × 134,848.43
  4. Step 4: Simplify right side
    534,209.30x = 108,055,520,852.34
  5. Step 5: Solve for x
    x = 108,055,520,852.34/534,209.30
  6. Step 6: Final answer
    x = 202,271.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.