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Finding the Fourth Proportional to 373,165.92, 514,975.32 and 203,409.36

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Solution

The fourth proportional to 373,165.92, 514,975.32 and 203,409.36 is: 280,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,165.92 : 514,975.32 = 203,409.36 : x
  2. Step 2: Convert to fraction form
    373,165.92/514,975.32 = 203,409.36/x
  3. Step 3: Cross multiply
    373,165.92x = 514,975.32 × 203,409.36
  4. Step 4: Simplify right side
    373,165.92x = 104,750,800,257.00
  5. Step 5: Solve for x
    x = 104,750,800,257.00/373,165.92
  6. Step 6: Final answer
    x = 280,708.38

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1.5x scale

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.