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Finding the Fourth Proportional to 574,740.30, 862,109.91 and 271,063.60

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Solution

The fourth proportional to 574,740.30, 862,109.91 and 271,063.60 is: 406,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,740.30 : 862,109.91 = 271,063.60 : x
  2. Step 2: Convert to fraction form
    574,740.30/862,109.91 = 271,063.60/x
  3. Step 3: Cross multiply
    574,740.30x = 862,109.91 × 271,063.60
  4. Step 4: Simplify right side
    574,740.30x = 233,686,615,800.28
  5. Step 5: Solve for x
    x = 233,686,615,800.28/574,740.30
  6. Step 6: Final answer
    x = 406,595.15

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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.