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Finding the Fourth Proportional to 295,620.60, 442,847.70 and 176,939.40

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Solution

The fourth proportional to 295,620.60, 442,847.70 and 176,939.40 is: 265,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,620.60 : 442,847.70 = 176,939.40 : x
  2. Step 2: Convert to fraction form
    295,620.60/442,847.70 = 176,939.40/x
  3. Step 3: Cross multiply
    295,620.60x = 442,847.70 × 176,939.40
  4. Step 4: Simplify right side
    295,620.60x = 78,357,206,329.38
  5. Step 5: Solve for x
    x = 78,357,206,329.38/295,620.60
  6. Step 6: Final answer
    x = 265,060.03

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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.