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Finding the Fourth Proportional to 544,955.22, 817,437.38 and 189,968.67

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Solution

The fourth proportional to 544,955.22, 817,437.38 and 189,968.67 is: 284,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,955.22 : 817,437.38 = 189,968.67 : x
  2. Step 2: Convert to fraction form
    544,955.22/817,437.38 = 189,968.67/x
  3. Step 3: Cross multiply
    544,955.22x = 817,437.38 × 189,968.67
  4. Step 4: Simplify right side
    544,955.22x = 155,287,492,361.81
  5. Step 5: Solve for x
    x = 155,287,492,361.81/544,955.22
  6. Step 6: Final answer
    x = 284,954.59

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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.