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Finding the Fourth Proportional to 450,493.84, 675,895.32 and 170,091.28

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Solution

The fourth proportional to 450,493.84, 675,895.32 and 170,091.28 is: 255,195.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,493.84 : 675,895.32 = 170,091.28 : x
  2. Step 2: Convert to fraction form
    450,493.84/675,895.32 = 170,091.28/x
  3. Step 3: Cross multiply
    450,493.84x = 675,895.32 × 170,091.28
  4. Step 4: Simplify right side
    450,493.84x = 114,963,900,124.81
  5. Step 5: Solve for x
    x = 114,963,900,124.81/450,493.84
  6. Step 6: Final answer
    x = 255,195.28

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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.