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Finding the Fourth Proportional to 450,491.84, 675,892.32 and 170,089.28

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Solution

The fourth proportional to 450,491.84, 675,892.32 and 170,089.28 is: 255,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,491.84 : 675,892.32 = 170,089.28 : x
  2. Step 2: Convert to fraction form
    450,491.84/675,892.32 = 170,089.28/x
  3. Step 3: Cross multiply
    450,491.84x = 675,892.32 × 170,089.28
  4. Step 4: Simplify right side
    450,491.84x = 114,962,038,066.33
  5. Step 5: Solve for x
    x = 114,962,038,066.33/450,491.84
  6. Step 6: Final answer
    x = 255,192.28

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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.