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Finding the Fourth Proportional to 479,710.84, 719,556.16 and 159,885.84

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Solution

The fourth proportional to 479,710.84, 719,556.16 and 159,885.84 is: 239,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,710.84 : 719,556.16 = 159,885.84 : x
  2. Step 2: Convert to fraction form
    479,710.84/719,556.16 = 159,885.84/x
  3. Step 3: Cross multiply
    479,710.84x = 719,556.16 × 159,885.84
  4. Step 4: Simplify right side
    479,710.84x = 115,046,841,068.77
  5. Step 5: Solve for x
    x = 115,046,841,068.77/479,710.84
  6. Step 6: Final answer
    x = 239,825.39

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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.