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Finding the Fourth Proportional to 435,976.94, 601,655.40 and 239,751.72

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Solution

The fourth proportional to 435,976.94, 601,655.40 and 239,751.72 is: 330,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,976.94 : 601,655.40 = 239,751.72 : x
  2. Step 2: Convert to fraction form
    435,976.94/601,655.40 = 239,751.72/x
  3. Step 3: Cross multiply
    435,976.94x = 601,655.40 × 239,751.72
  4. Step 4: Simplify right side
    435,976.94x = 144,247,916,997.29
  5. Step 5: Solve for x
    x = 144,247,916,997.29/435,976.94
  6. Step 6: Final answer
    x = 330,861.35

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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.