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Finding the Fourth Proportional to 515,954.32, 773,632.56 and 200,041.36

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Solution

The fourth proportional to 515,954.32, 773,632.56 and 200,041.36 is: 299,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,954.32 : 773,632.56 = 200,041.36 : x
  2. Step 2: Convert to fraction form
    515,954.32/773,632.56 = 200,041.36/x
  3. Step 3: Cross multiply
    515,954.32x = 773,632.56 × 200,041.36
  4. Step 4: Simplify right side
    515,954.32x = 154,758,509,442.68
  5. Step 5: Solve for x
    x = 154,758,509,442.68/515,954.32
  6. Step 6: Final answer
    x = 299,946.15

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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.