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Finding the Fourth Proportional to 584,467.40, 876,709.74 and 163,716.68

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Solution

The fourth proportional to 584,467.40, 876,709.74 and 163,716.68 is: 245,577.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,467.40 : 876,709.74 = 163,716.68 : x
  2. Step 2: Convert to fraction form
    584,467.40/876,709.74 = 163,716.68/x
  3. Step 3: Cross multiply
    584,467.40x = 876,709.74 × 163,716.68
  4. Step 4: Simplify right side
    584,467.40x = 143,532,007,956.46
  5. Step 5: Solve for x
    x = 143,532,007,956.46/584,467.40
  6. Step 6: Final answer
    x = 245,577.44

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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.