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Finding the Fourth Proportional to 363,246.78, 544,864.65 and 163,426.03

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Solution

The fourth proportional to 363,246.78, 544,864.65 and 163,426.03 is: 245,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,246.78 : 544,864.65 = 163,426.03 : x
  2. Step 2: Convert to fraction form
    363,246.78/544,864.65 = 163,426.03/x
  3. Step 3: Cross multiply
    363,246.78x = 544,864.65 × 163,426.03
  4. Step 4: Simplify right side
    363,246.78x = 89,045,066,636.84
  5. Step 5: Solve for x
    x = 89,045,066,636.84/363,246.78
  6. Step 6: Final answer
    x = 245,136.56

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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.