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Finding the Fourth Proportional to 499,921.85, 750,070.71 and 297,634.67

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Solution

The fourth proportional to 499,921.85, 750,070.71 and 297,634.67 is: 446,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,921.85 : 750,070.71 = 297,634.67 : x
  2. Step 2: Convert to fraction form
    499,921.85/750,070.71 = 297,634.67/x
  3. Step 3: Cross multiply
    499,921.85x = 750,070.71 × 297,634.67
  4. Step 4: Simplify right side
    499,921.85x = 223,247,050,122.69
  5. Step 5: Solve for x
    x = 223,247,050,122.69/499,921.85
  6. Step 6: Final answer
    x = 446,563.90

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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.