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Finding the Fourth Proportional to 295,573.74, 442,986.80 and 188,916.59

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Solution

The fourth proportional to 295,573.74, 442,986.80 and 188,916.59 is: 283,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,573.74 : 442,986.80 = 188,916.59 : x
  2. Step 2: Convert to fraction form
    295,573.74/442,986.80 = 188,916.59/x
  3. Step 3: Cross multiply
    295,573.74x = 442,986.80 × 188,916.59
  4. Step 4: Simplify right side
    295,573.74x = 83,687,552,511.50
  5. Step 5: Solve for x
    x = 83,687,552,511.50/295,573.74
  6. Step 6: Final answer
    x = 283,135.95

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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.