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Finding the Fourth Proportional to 586,391.14, 809,296.02 and 328,366.34

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Solution

The fourth proportional to 586,391.14, 809,296.02 and 328,366.34 is: 453,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,391.14 : 809,296.02 = 328,366.34 : x
  2. Step 2: Convert to fraction form
    586,391.14/809,296.02 = 328,366.34/x
  3. Step 3: Cross multiply
    586,391.14x = 809,296.02 × 328,366.34
  4. Step 4: Simplify right side
    586,391.14x = 265,745,570,422.14
  5. Step 5: Solve for x
    x = 265,745,570,422.14/586,391.14
  6. Step 6: Final answer
    x = 453,188.25

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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.