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Finding the Fourth Proportional to 328,937.59, 453,937.58 and 192,973.87

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Solution

The fourth proportional to 328,937.59, 453,937.58 and 192,973.87 is: 266,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,937.59 : 453,937.58 = 192,973.87 : x
  2. Step 2: Convert to fraction form
    328,937.59/453,937.58 = 192,973.87/x
  3. Step 3: Cross multiply
    328,937.59x = 453,937.58 × 192,973.87
  4. Step 4: Simplify right side
    328,937.59x = 87,598,091,551.03
  5. Step 5: Solve for x
    x = 87,598,091,551.03/328,937.59
  6. Step 6: Final answer
    x = 266,306.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.