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Finding the Fourth Proportional to 356,901.44, 535,463.04 and 214,903.04

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Solution

The fourth proportional to 356,901.44, 535,463.04 and 214,903.04 is: 322,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,901.44 : 535,463.04 = 214,903.04 : x
  2. Step 2: Convert to fraction form
    356,901.44/535,463.04 = 214,903.04/x
  3. Step 3: Cross multiply
    356,901.44x = 535,463.04 × 214,903.04
  4. Step 4: Simplify right side
    356,901.44x = 115,072,635,103.64
  5. Step 5: Solve for x
    x = 115,072,635,103.64/356,901.44
  6. Step 6: Final answer
    x = 322,421.32

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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.