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Finding the Fourth Proportional to 496,765.05, 744,729.62 and 216,070.89

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Solution

The fourth proportional to 496,765.05, 744,729.62 and 216,070.89 is: 323,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,765.05 : 744,729.62 = 216,070.89 : x
  2. Step 2: Convert to fraction form
    496,765.05/744,729.62 = 216,070.89/x
  3. Step 3: Cross multiply
    496,765.05x = 744,729.62 × 216,070.89
  4. Step 4: Simplify right side
    496,765.05x = 160,914,390,722.41
  5. Step 5: Solve for x
    x = 160,914,390,722.41/496,765.05
  6. Step 6: Final answer
    x = 323,924.54

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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.