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Finding the Fourth Proportional to 511,558.47, 767,126.58 and 174,626.30

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Solution

The fourth proportional to 511,558.47, 767,126.58 and 174,626.30 is: 261,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,558.47 : 767,126.58 = 174,626.30 : x
  2. Step 2: Convert to fraction form
    511,558.47/767,126.58 = 174,626.30/x
  3. Step 3: Cross multiply
    511,558.47x = 767,126.58 × 174,626.30
  4. Step 4: Simplify right side
    511,558.47x = 133,960,474,227.21
  5. Step 5: Solve for x
    x = 133,960,474,227.21/511,558.47
  6. Step 6: Final answer
    x = 261,867.38

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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.