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Finding the Fourth Proportional to 372,938.58, 514,637.32 and 211,772.34

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Solution

The fourth proportional to 372,938.58, 514,637.32 and 211,772.34 is: 292,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,938.58 : 514,637.32 = 211,772.34 : x
  2. Step 2: Convert to fraction form
    372,938.58/514,637.32 = 211,772.34/x
  3. Step 3: Cross multiply
    372,938.58x = 514,637.32 × 211,772.34
  4. Step 4: Simplify right side
    372,938.58x = 108,985,949,507.73
  5. Step 5: Solve for x
    x = 108,985,949,507.73/372,938.58
  6. Step 6: Final answer
    x = 292,235.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.