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Finding the Fourth Proportional to 575,261.43, 862,892.21 and 175,902.21

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Solution

The fourth proportional to 575,261.43, 862,892.21 and 175,902.21 is: 263,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,261.43 : 862,892.21 = 175,902.21 : x
  2. Step 2: Convert to fraction form
    575,261.43/862,892.21 = 175,902.21/x
  3. Step 3: Cross multiply
    575,261.43x = 862,892.21 × 175,902.21
  4. Step 4: Simplify right side
    575,261.43x = 151,784,650,406.39
  5. Step 5: Solve for x
    x = 151,784,650,406.39/575,261.43
  6. Step 6: Final answer
    x = 263,853.34

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Double scale
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Similar ratio
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1.5x scale

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.