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Finding the Fourth Proportional to 488,507.76, 733,884.30 and 346,705.11

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Solution

The fourth proportional to 488,507.76, 733,884.30 and 346,705.11 is: 520,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,507.76 : 733,884.30 = 346,705.11 : x
  2. Step 2: Convert to fraction form
    488,507.76/733,884.30 = 346,705.11/x
  3. Step 3: Cross multiply
    488,507.76x = 733,884.30 × 346,705.11
  4. Step 4: Simplify right side
    488,507.76x = 254,441,436,958.77
  5. Step 5: Solve for x
    x = 254,441,436,958.77/488,507.76
  6. Step 6: Final answer
    x = 520,854.44

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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.