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Finding the Fourth Proportional to 578,050.60, 866,730.30 and 298,114.60

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Solution

The fourth proportional to 578,050.60, 866,730.30 and 298,114.60 is: 446,993.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,050.60 : 866,730.30 = 298,114.60 : x
  2. Step 2: Convert to fraction form
    578,050.60/866,730.30 = 298,114.60/x
  3. Step 3: Cross multiply
    578,050.60x = 866,730.30 × 298,114.60
  4. Step 4: Simplify right side
    578,050.60x = 258,384,956,692.38
  5. Step 5: Solve for x
    x = 258,384,956,692.38/578,050.60
  6. Step 6: Final answer
    x = 446,993.67

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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.