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Finding the Fourth Proportional to 341,327.53, 510,999.72 and 198,737.83

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Solution

The fourth proportional to 341,327.53, 510,999.72 and 198,737.83 is: 297,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,327.53 : 510,999.72 = 198,737.83 : x
  2. Step 2: Convert to fraction form
    341,327.53/510,999.72 = 198,737.83/x
  3. Step 3: Cross multiply
    341,327.53x = 510,999.72 × 198,737.83
  4. Step 4: Simplify right side
    341,327.53x = 101,554,975,483.41
  5. Step 5: Solve for x
    x = 101,554,975,483.41/341,327.53
  6. Step 6: Final answer
    x = 297,529.40

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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.