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Finding the Fourth Proportional to 372,807.24, 514,456.32 and 211,641

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Solution

The fourth proportional to 372,807.24, 514,456.32 and 211,641 is: 292,054.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,807.24 : 514,456.32 = 211,641 : x
  2. Step 2: Convert to fraction form
    372,807.24/514,456.32 = 211,641/x
  3. Step 3: Cross multiply
    372,807.24x = 514,456.32 × 211,641
  4. Step 4: Simplify right side
    372,807.24x = 108,880,050,021.12
  5. Step 5: Solve for x
    x = 108,880,050,021.12/372,807.24
  6. Step 6: Final answer
    x = 292,054.55

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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.