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Finding the Fourth Proportional to 581,065.89, 871,861.76 and 296,609.55

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Solution

The fourth proportional to 581,065.89, 871,861.76 and 296,609.55 is: 445,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,065.89 : 871,861.76 = 296,609.55 : x
  2. Step 2: Convert to fraction form
    581,065.89/871,861.76 = 296,609.55/x
  3. Step 3: Cross multiply
    581,065.89x = 871,861.76 × 296,609.55
  4. Step 4: Simplify right side
    581,065.89x = 258,602,522,812.76
  5. Step 5: Solve for x
    x = 258,602,522,812.76/581,065.89
  6. Step 6: Final answer
    x = 445,048.53

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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.