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Finding the Fourth Proportional to 273,384.30, 410,076.45 and 155,286.30

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Solution

The fourth proportional to 273,384.30, 410,076.45 and 155,286.30 is: 232,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,384.30 : 410,076.45 = 155,286.30 : x
  2. Step 2: Convert to fraction form
    273,384.30/410,076.45 = 155,286.30/x
  3. Step 3: Cross multiply
    273,384.30x = 410,076.45 × 155,286.30
  4. Step 4: Simplify right side
    273,384.30x = 63,679,254,637.64
  5. Step 5: Solve for x
    x = 63,679,254,637.64/273,384.30
  6. Step 6: Final answer
    x = 232,929.45

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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.