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Finding the Fourth Proportional to 442,784.70, 611,049.69 and 241,580.70

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Solution

The fourth proportional to 442,784.70, 611,049.69 and 241,580.70 is: 333,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,784.70 : 611,049.69 = 241,580.70 : x
  2. Step 2: Convert to fraction form
    442,784.70/611,049.69 = 241,580.70/x
  3. Step 3: Cross multiply
    442,784.70x = 611,049.69 × 241,580.70
  4. Step 4: Simplify right side
    442,784.70x = 147,617,811,844.98
  5. Step 5: Solve for x
    x = 147,617,811,844.98/442,784.70
  6. Step 6: Final answer
    x = 333,385.08

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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.