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Finding the Fourth Proportional to 581,074.75, 871,662.30 and 160,350.58

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Solution

The fourth proportional to 581,074.75, 871,662.30 and 160,350.58 is: 240,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,074.75 : 871,662.30 = 160,350.58 : x
  2. Step 2: Convert to fraction form
    581,074.75/871,662.30 = 160,350.58/x
  3. Step 3: Cross multiply
    581,074.75x = 871,662.30 × 160,350.58
  4. Step 4: Simplify right side
    581,074.75x = 139,771,555,369.13
  5. Step 5: Solve for x
    x = 139,771,555,369.13/581,074.75
  6. Step 6: Final answer
    x = 240,539.72

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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.