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Finding the Fourth Proportional to 524,955.84, 787,558.90 and 169,969.96

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Solution

The fourth proportional to 524,955.84, 787,558.90 and 169,969.96 is: 254,995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,955.84 : 787,558.90 = 169,969.96 : x
  2. Step 2: Convert to fraction form
    524,955.84/787,558.90 = 169,969.96/x
  3. Step 3: Cross multiply
    524,955.84x = 787,558.90 × 169,969.96
  4. Step 4: Simplify right side
    524,955.84x = 133,861,354,730.64
  5. Step 5: Solve for x
    x = 133,861,354,730.64/524,955.84
  6. Step 6: Final answer
    x = 254,995.46

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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.