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Finding the Fourth Proportional to 598,458.69, 825,979.82 and 356,756.72

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Solution

The fourth proportional to 598,458.69, 825,979.82 and 356,756.72 is: 492,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,458.69 : 825,979.82 = 356,756.72 : x
  2. Step 2: Convert to fraction form
    598,458.69/825,979.82 = 356,756.72/x
  3. Step 3: Cross multiply
    598,458.69x = 825,979.82 × 356,756.72
  4. Step 4: Simplify right side
    598,458.69x = 294,673,845,455.71
  5. Step 5: Solve for x
    x = 294,673,845,455.71/598,458.69
  6. Step 6: Final answer
    x = 492,387.95

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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.