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Finding the Fourth Proportional to 295,004.80, 442,504.32 and 84,643.84

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Solution

The fourth proportional to 295,004.80, 442,504.32 and 84,643.84 is: 126,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,004.80 : 442,504.32 = 84,643.84 : x
  2. Step 2: Convert to fraction form
    295,004.80/442,504.32 = 84,643.84/x
  3. Step 3: Cross multiply
    295,004.80x = 442,504.32 × 84,643.84
  4. Step 4: Simplify right side
    295,004.80x = 37,455,264,861.39
  5. Step 5: Solve for x
    x = 37,455,264,861.39/295,004.80
  6. Step 6: Final answer
    x = 126,964.93

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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.