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Finding the Fourth Proportional to 701,732.40, 1,051,043.40 and 543,447.60

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Solution

The fourth proportional to 701,732.40, 1,051,043.40 and 543,447.60 is: 813,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,732.40 : 1,051,043.40 = 543,447.60 : x
  2. Step 2: Convert to fraction form
    701,732.40/1,051,043.40 = 543,447.60/x
  3. Step 3: Cross multiply
    701,732.40x = 1,051,043.40 × 543,447.60
  4. Step 4: Simplify right side
    701,732.40x = 571,187,013,225.84
  5. Step 5: Solve for x
    x = 571,187,013,225.84/701,732.40
  6. Step 6: Final answer
    x = 813,967.00

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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.