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Finding the Fourth Proportional to 526,562.13, 789,925.16 and 171,493.55

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Solution

The fourth proportional to 526,562.13, 789,925.16 and 171,493.55 is: 257,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,562.13 : 789,925.16 = 171,493.55 : x
  2. Step 2: Convert to fraction form
    526,562.13/789,925.16 = 171,493.55/x
  3. Step 3: Cross multiply
    526,562.13x = 789,925.16 × 171,493.55
  4. Step 4: Simplify right side
    526,562.13x = 135,467,066,401.83
  5. Step 5: Solve for x
    x = 135,467,066,401.83/526,562.13
  6. Step 6: Final answer
    x = 257,267.01

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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.