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Finding the Fourth Proportional to 536,137.60, 740,035.98 and 345,151

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Solution

The fourth proportional to 536,137.60, 740,035.98 and 345,151 is: 476,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,137.60 : 740,035.98 = 345,151 : x
  2. Step 2: Convert to fraction form
    536,137.60/740,035.98 = 345,151/x
  3. Step 3: Cross multiply
    536,137.60x = 740,035.98 × 345,151
  4. Step 4: Simplify right side
    536,137.60x = 255,424,158,532.98
  5. Step 5: Solve for x
    x = 255,424,158,532.98/536,137.60
  6. Step 6: Final answer
    x = 476,415.31

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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.