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Finding the Fourth Proportional to 496,976.40, 744,881.40 and 212,666.40

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Solution

The fourth proportional to 496,976.40, 744,881.40 and 212,666.40 is: 318,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,976.40 : 744,881.40 = 212,666.40 : x
  2. Step 2: Convert to fraction form
    496,976.40/744,881.40 = 212,666.40/x
  3. Step 3: Cross multiply
    496,976.40x = 744,881.40 × 212,666.40
  4. Step 4: Simplify right side
    496,976.40x = 158,411,245,764.96
  5. Step 5: Solve for x
    x = 158,411,245,764.96/496,976.40
  6. Step 6: Final answer
    x = 318,750.04

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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.