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Finding the Fourth Proportional to 453,839.94, 680,833.79 and 134,024.15

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Solution

The fourth proportional to 453,839.94, 680,833.79 and 134,024.15 is: 201,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,839.94 : 680,833.79 = 134,024.15 : x
  2. Step 2: Convert to fraction form
    453,839.94/680,833.79 = 134,024.15/x
  3. Step 3: Cross multiply
    453,839.94x = 680,833.79 × 134,024.15
  4. Step 4: Simplify right side
    453,839.94x = 91,248,170,319.03
  5. Step 5: Solve for x
    x = 91,248,170,319.03/453,839.94
  6. Step 6: Final answer
    x = 201,058.05

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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.