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Finding the Fourth Proportional to 586,364.88, 809,042.40 and 344,628.48

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Solution

The fourth proportional to 586,364.88, 809,042.40 and 344,628.48 is: 475,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,364.88 : 809,042.40 = 344,628.48 : x
  2. Step 2: Convert to fraction form
    586,364.88/809,042.40 = 344,628.48/x
  3. Step 3: Cross multiply
    586,364.88x = 809,042.40 × 344,628.48
  4. Step 4: Simplify right side
    586,364.88x = 278,819,052,567.55
  5. Step 5: Solve for x
    x = 278,819,052,567.55/586,364.88
  6. Step 6: Final answer
    x = 475,504.35

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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.