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Finding the Fourth Proportional to 451,920.84, 623,670.30 and 270,662.28

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Solution

The fourth proportional to 451,920.84, 623,670.30 and 270,662.28 is: 373,525.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,920.84 : 623,670.30 = 270,662.28 : x
  2. Step 2: Convert to fraction form
    451,920.84/623,670.30 = 270,662.28/x
  3. Step 3: Cross multiply
    451,920.84x = 623,670.30 × 270,662.28
  4. Step 4: Simplify right side
    451,920.84x = 168,804,025,366.28
  5. Step 5: Solve for x
    x = 168,804,025,366.28/451,920.84
  6. Step 6: Final answer
    x = 373,525.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.