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Finding the Fourth Proportional to 536,907.66, 805,361.67 and 157,828.41

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Solution

The fourth proportional to 536,907.66, 805,361.67 and 157,828.41 is: 236,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,907.66 : 805,361.67 = 157,828.41 : x
  2. Step 2: Convert to fraction form
    536,907.66/805,361.67 = 157,828.41/x
  3. Step 3: Cross multiply
    536,907.66x = 805,361.67 × 157,828.41
  4. Step 4: Simplify right side
    536,907.66x = 127,108,951,851.05
  5. Step 5: Solve for x
    x = 127,108,951,851.05/536,907.66
  6. Step 6: Final answer
    x = 236,742.67

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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.