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Finding the Fourth Proportional to 446,519.04, 669,787.20 and 176,640

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Solution

The fourth proportional to 446,519.04, 669,787.20 and 176,640 is: 264,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,519.04 : 669,787.20 = 176,640 : x
  2. Step 2: Convert to fraction form
    446,519.04/669,787.20 = 176,640/x
  3. Step 3: Cross multiply
    446,519.04x = 669,787.20 × 176,640
  4. Step 4: Simplify right side
    446,519.04x = 118,311,211,008.00
  5. Step 5: Solve for x
    x = 118,311,211,008.00/446,519.04
  6. Step 6: Final answer
    x = 264,963.42

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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.