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Finding the Fourth Proportional to 544,955.31, 817,437.52 and 189,968.76

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Solution

The fourth proportional to 544,955.31, 817,437.52 and 189,968.76 is: 284,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,955.31 : 817,437.52 = 189,968.76 : x
  2. Step 2: Convert to fraction form
    544,955.31/817,437.52 = 189,968.76/x
  3. Step 3: Cross multiply
    544,955.31x = 817,437.52 × 189,968.76
  4. Step 4: Simplify right side
    544,955.31x = 155,287,592,289.34
  5. Step 5: Solve for x
    x = 155,287,592,289.34/544,955.31
  6. Step 6: Final answer
    x = 284,954.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.