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Finding the Fourth Proportional to 511,584.52, 767,446.86 and 174,534.76

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Solution

The fourth proportional to 511,584.52, 767,446.86 and 174,534.76 is: 261,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,584.52 : 767,446.86 = 174,534.76 : x
  2. Step 2: Convert to fraction form
    511,584.52/767,446.86 = 174,534.76/x
  3. Step 3: Cross multiply
    511,584.52x = 767,446.86 × 174,534.76
  4. Step 4: Simplify right side
    511,584.52x = 133,946,153,522.85
  5. Step 5: Solve for x
    x = 133,946,153,522.85/511,584.52
  6. Step 6: Final answer
    x = 261,826.05

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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.