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Finding the Fourth Proportional to 451,935.84, 623,691 and 270,677.28

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Solution

The fourth proportional to 451,935.84, 623,691 and 270,677.28 is: 373,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,935.84 : 623,691 = 270,677.28 : x
  2. Step 2: Convert to fraction form
    451,935.84/623,691 = 270,677.28/x
  3. Step 3: Cross multiply
    451,935.84x = 623,691 × 270,677.28
  4. Step 4: Simplify right side
    451,935.84x = 168,818,983,440.48
  5. Step 5: Solve for x
    x = 168,818,983,440.48/451,935.84
  6. Step 6: Final answer
    x = 373,546.35

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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.