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Finding the Fourth Proportional to 372,975, 514,698.96 and 203,210.32

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Solution

The fourth proportional to 372,975, 514,698.96 and 203,210.32 is: 280,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,975 : 514,698.96 = 203,210.32 : x
  2. Step 2: Convert to fraction form
    372,975/514,698.96 = 203,210.32/x
  3. Step 3: Cross multiply
    372,975x = 514,698.96 × 203,210.32
  4. Step 4: Simplify right side
    372,975x = 104,592,140,365.27
  5. Step 5: Solve for x
    x = 104,592,140,365.27/372,975
  6. Step 6: Final answer
    x = 280,426.68

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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.