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Finding the Fourth Proportional to 295,490.30, 442,947.45 and 169,000.70

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Solution

The fourth proportional to 295,490.30, 442,947.45 and 169,000.70 is: 253,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,490.30 : 442,947.45 = 169,000.70 : x
  2. Step 2: Convert to fraction form
    295,490.30/442,947.45 = 169,000.70/x
  3. Step 3: Cross multiply
    295,490.30x = 442,947.45 × 169,000.70
  4. Step 4: Simplify right side
    295,490.30x = 74,858,429,113.22
  5. Step 5: Solve for x
    x = 74,858,429,113.22/295,490.30
  6. Step 6: Final answer
    x = 253,336.33

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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.