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Finding the Fourth Proportional to 490,479.24, 735,905.67 and 170,666.64

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Solution

The fourth proportional to 490,479.24, 735,905.67 and 170,666.64 is: 256,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,479.24 : 735,905.67 = 170,666.64 : x
  2. Step 2: Convert to fraction form
    490,479.24/735,905.67 = 170,666.64/x
  3. Step 3: Cross multiply
    490,479.24x = 735,905.67 × 170,666.64
  4. Step 4: Simplify right side
    490,479.24x = 125,594,544,656.20
  5. Step 5: Solve for x
    x = 125,594,544,656.20/490,479.24
  6. Step 6: Final answer
    x = 256,064.96

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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.