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Finding the Fourth Proportional to 372,804.48, 514,476 and 203,038.44

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Solution

The fourth proportional to 372,804.48, 514,476 and 203,038.44 is: 280,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,804.48 : 514,476 = 203,038.44 : x
  2. Step 2: Convert to fraction form
    372,804.48/514,476 = 203,038.44/x
  3. Step 3: Cross multiply
    372,804.48x = 514,476 × 203,038.44
  4. Step 4: Simplify right side
    372,804.48x = 104,458,404,457.44
  5. Step 5: Solve for x
    x = 104,458,404,457.44/372,804.48
  6. Step 6: Final answer
    x = 280,196.22

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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.