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Finding the Fourth Proportional to 536,546.80, 740,222.40 and 345,671.50

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Solution

The fourth proportional to 536,546.80, 740,222.40 and 345,671.50 is: 476,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,546.80 : 740,222.40 = 345,671.50 : x
  2. Step 2: Convert to fraction form
    536,546.80/740,222.40 = 345,671.50/x
  3. Step 3: Cross multiply
    536,546.80x = 740,222.40 × 345,671.50
  4. Step 4: Simplify right side
    536,546.80x = 255,873,787,341.60
  5. Step 5: Solve for x
    x = 255,873,787,341.60/536,546.80
  6. Step 6: Final answer
    x = 476,889.97

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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.