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Finding the Fourth Proportional to 344,631, 516,946.50 and 95,313

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Solution

The fourth proportional to 344,631, 516,946.50 and 95,313 is: 142,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,631 : 516,946.50 = 95,313 : x
  2. Step 2: Convert to fraction form
    344,631/516,946.50 = 95,313/x
  3. Step 3: Cross multiply
    344,631x = 516,946.50 × 95,313
  4. Step 4: Simplify right side
    344,631x = 49,271,721,754.50
  5. Step 5: Solve for x
    x = 49,271,721,754.50/344,631
  6. Step 6: Final answer
    x = 142,969.50

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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.