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Finding the Fourth Proportional to 479,303.01, 718,972.74 and 159,483.42

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Solution

The fourth proportional to 479,303.01, 718,972.74 and 159,483.42 is: 239,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,303.01 : 718,972.74 = 159,483.42 : x
  2. Step 2: Convert to fraction form
    479,303.01/718,972.74 = 159,483.42/x
  3. Step 3: Cross multiply
    479,303.01x = 718,972.74 × 159,483.42
  4. Step 4: Simplify right side
    479,303.01x = 114,664,231,461.97
  5. Step 5: Solve for x
    x = 114,664,231,461.97/479,303.01
  6. Step 6: Final answer
    x = 239,231.19

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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.