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Finding the Fourth Proportional to 344,969.61, 516,838.79 and 187,097.37

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Solution

The fourth proportional to 344,969.61, 516,838.79 and 187,097.37 is: 280,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,969.61 : 516,838.79 = 187,097.37 : x
  2. Step 2: Convert to fraction form
    344,969.61/516,838.79 = 187,097.37/x
  3. Step 3: Cross multiply
    344,969.61x = 516,838.79 × 187,097.37
  4. Step 4: Simplify right side
    344,969.61x = 96,699,177,387.50
  5. Step 5: Solve for x
    x = 96,699,177,387.50/344,969.61
  6. Step 6: Final answer
    x = 280,312.16

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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.