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Finding the Fourth Proportional to 409,849.80, 614,774.70 and 297,000.60

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Solution

The fourth proportional to 409,849.80, 614,774.70 and 297,000.60 is: 445,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,849.80 : 614,774.70 = 297,000.60 : x
  2. Step 2: Convert to fraction form
    409,849.80/614,774.70 = 297,000.60/x
  3. Step 3: Cross multiply
    409,849.80x = 614,774.70 × 297,000.60
  4. Step 4: Simplify right side
    409,849.80x = 182,588,454,764.82
  5. Step 5: Solve for x
    x = 182,588,454,764.82/409,849.80
  6. Step 6: Final answer
    x = 445,500.90

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1.5x scale

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.