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Finding the Fourth Proportional to 858,163.92, 1,184,496 and 535,679.88

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Solution

The fourth proportional to 858,163.92, 1,184,496 and 535,679.88 is: 739,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,163.92 : 1,184,496 = 535,679.88 : x
  2. Step 2: Convert to fraction form
    858,163.92/1,184,496 = 535,679.88/x
  3. Step 3: Cross multiply
    858,163.92x = 1,184,496 × 535,679.88
  4. Step 4: Simplify right side
    858,163.92x = 634,510,675,140.48
  5. Step 5: Solve for x
    x = 634,510,675,140.48/858,163.92
  6. Step 6: Final answer
    x = 739,381.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.