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Finding the Fourth Proportional to 372,807.48, 514,480.18 and 203,041.48

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Solution

The fourth proportional to 372,807.48, 514,480.18 and 203,041.48 is: 280,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,807.48 : 514,480.18 = 203,041.48 : x
  2. Step 2: Convert to fraction form
    372,807.48/514,480.18 = 203,041.48/x
  3. Step 3: Cross multiply
    372,807.48x = 514,480.18 × 203,041.48
  4. Step 4: Simplify right side
    372,807.48x = 104,460,817,177.87
  5. Step 5: Solve for x
    x = 104,460,817,177.87/372,807.48
  6. Step 6: Final answer
    x = 280,200.43

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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.