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Finding the Fourth Proportional to 524,436.94, 786,659.96 and 169,451

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Solution

The fourth proportional to 524,436.94, 786,659.96 and 169,451 is: 254,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,436.94 : 786,659.96 = 169,451 : x
  2. Step 2: Convert to fraction form
    524,436.94/786,659.96 = 169,451/x
  3. Step 3: Cross multiply
    524,436.94x = 786,659.96 × 169,451
  4. Step 4: Simplify right side
    524,436.94x = 133,300,316,881.96
  5. Step 5: Solve for x
    x = 133,300,316,881.96/524,436.94
  6. Step 6: Final answer
    x = 254,177.97

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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.