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Finding the Fourth Proportional to 536,905.60, 804,436.80 and 349,820.80

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Solution

The fourth proportional to 536,905.60, 804,436.80 and 349,820.80 is: 524,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,905.60 : 804,436.80 = 349,820.80 : x
  2. Step 2: Convert to fraction form
    536,905.60/804,436.80 = 349,820.80/x
  3. Step 3: Cross multiply
    536,905.60x = 804,436.80 × 349,820.80
  4. Step 4: Simplify right side
    536,905.60x = 281,408,724,925.44
  5. Step 5: Solve for x
    x = 281,408,724,925.44/536,905.60
  6. Step 6: Final answer
    x = 524,130.73

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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.