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Finding the Fourth Proportional to 488,933.80, 733,530.30 and 173,357.80

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Solution

The fourth proportional to 488,933.80, 733,530.30 and 173,357.80 is: 260,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,933.80 : 733,530.30 = 173,357.80 : x
  2. Step 2: Convert to fraction form
    488,933.80/733,530.30 = 173,357.80/x
  3. Step 3: Cross multiply
    488,933.80x = 733,530.30 × 173,357.80
  4. Step 4: Simplify right side
    488,933.80x = 127,163,199,041.34
  5. Step 5: Solve for x
    x = 127,163,199,041.34/488,933.80
  6. Step 6: Final answer
    x = 260,082.65

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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.