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Finding the Fourth Proportional to 479,682.04, 719,282.08 and 159,720.80

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Solution

The fourth proportional to 479,682.04, 719,282.08 and 159,720.80 is: 239,500.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,682.04 : 719,282.08 = 159,720.80 : x
  2. Step 2: Convert to fraction form
    479,682.04/719,282.08 = 159,720.80/x
  3. Step 3: Cross multiply
    479,682.04x = 719,282.08 × 159,720.80
  4. Step 4: Simplify right side
    479,682.04x = 114,884,308,444.66
  5. Step 5: Solve for x
    x = 114,884,308,444.66/479,682.04
  6. Step 6: Final answer
    x = 239,500.96

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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.