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Finding the Fourth Proportional to 407,776.88, 611,865.72 and 183,295.92

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Solution

The fourth proportional to 407,776.88, 611,865.72 and 183,295.92 is: 275,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,776.88 : 611,865.72 = 183,295.92 : x
  2. Step 2: Convert to fraction form
    407,776.88/611,865.72 = 183,295.92/x
  3. Step 3: Cross multiply
    407,776.88x = 611,865.72 × 183,295.92
  4. Step 4: Simplify right side
    407,776.88x = 112,152,490,063.86
  5. Step 5: Solve for x
    x = 112,152,490,063.86/407,776.88
  6. Step 6: Final answer
    x = 275,033.96

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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.