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Finding the Fourth Proportional to 407,104.70, 610,657.05 and 362,003.90

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Solution

The fourth proportional to 407,104.70, 610,657.05 and 362,003.90 is: 543,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,104.70 : 610,657.05 = 362,003.90 : x
  2. Step 2: Convert to fraction form
    407,104.70/610,657.05 = 362,003.90/x
  3. Step 3: Cross multiply
    407,104.70x = 610,657.05 × 362,003.90
  4. Step 4: Simplify right side
    407,104.70x = 221,060,233,662.50
  5. Step 5: Solve for x
    x = 221,060,233,662.50/407,104.70
  6. Step 6: Final answer
    x = 543,005.85

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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.