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Finding the Fourth Proportional to 536,415.52, 804,622.58 and 137,056.60

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Solution

The fourth proportional to 536,415.52, 804,622.58 and 137,056.60 is: 205,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,415.52 : 804,622.58 = 137,056.60 : x
  2. Step 2: Convert to fraction form
    536,415.52/804,622.58 = 137,056.60/x
  3. Step 3: Cross multiply
    536,415.52x = 804,622.58 × 137,056.60
  4. Step 4: Simplify right side
    536,415.52x = 110,278,835,098.03
  5. Step 5: Solve for x
    x = 110,278,835,098.03/536,415.52
  6. Step 6: Final answer
    x = 205,584.72

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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.