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Finding the Fourth Proportional to 581,013.49, 871,570.44 and 160,289.37

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Solution

The fourth proportional to 581,013.49, 871,570.44 and 160,289.37 is: 240,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,013.49 : 871,570.44 = 160,289.37 : x
  2. Step 2: Convert to fraction form
    581,013.49/871,570.44 = 160,289.37/x
  3. Step 3: Cross multiply
    581,013.49x = 871,570.44 × 160,289.37
  4. Step 4: Simplify right side
    581,013.49x = 139,703,476,738.22
  5. Step 5: Solve for x
    x = 139,703,476,738.22/581,013.49
  6. Step 6: Final answer
    x = 240,447.91

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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.