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Finding the Fourth Proportional to 492,352.32, 738,526.84 and 159,928.32

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Solution

The fourth proportional to 492,352.32, 738,526.84 and 159,928.32 is: 239,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,352.32 : 738,526.84 = 159,928.32 : x
  2. Step 2: Convert to fraction form
    492,352.32/738,526.84 = 159,928.32/x
  3. Step 3: Cross multiply
    492,352.32x = 738,526.84 × 159,928.32
  4. Step 4: Simplify right side
    492,352.32x = 118,111,356,796.11
  5. Step 5: Solve for x
    x = 118,111,356,796.11/492,352.32
  6. Step 6: Final answer
    x = 239,891.95

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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.