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Finding the Fourth Proportional to 330,830.70, 496,246.05 and 241,665.90

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Solution

The fourth proportional to 330,830.70, 496,246.05 and 241,665.90 is: 362,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,830.70 : 496,246.05 = 241,665.90 : x
  2. Step 2: Convert to fraction form
    330,830.70/496,246.05 = 241,665.90/x
  3. Step 3: Cross multiply
    330,830.70x = 496,246.05 × 241,665.90
  4. Step 4: Simplify right side
    330,830.70x = 119,925,748,294.70
  5. Step 5: Solve for x
    x = 119,925,748,294.70/330,830.70
  6. Step 6: Final answer
    x = 362,498.85

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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.