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Finding the Fourth Proportional to 544,510.20, 817,640.10 and 411,540.60

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Solution

The fourth proportional to 544,510.20, 817,640.10 and 411,540.60 is: 617,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,510.20 : 817,640.10 = 411,540.60 : x
  2. Step 2: Convert to fraction form
    544,510.20/817,640.10 = 411,540.60/x
  3. Step 3: Cross multiply
    544,510.20x = 817,640.10 × 411,540.60
  4. Step 4: Simplify right side
    544,510.20x = 336,492,097,338.06
  5. Step 5: Solve for x
    x = 336,492,097,338.06/544,510.20
  6. Step 6: Final answer
    x = 617,972.07

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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.