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Finding the Fourth Proportional to 492,987.42, 739,481.16 and 160,563.42

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Solution

The fourth proportional to 492,987.42, 739,481.16 and 160,563.42 is: 240,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,987.42 : 739,481.16 = 160,563.42 : x
  2. Step 2: Convert to fraction form
    492,987.42/739,481.16 = 160,563.42/x
  3. Step 3: Cross multiply
    492,987.42x = 739,481.16 × 160,563.42
  4. Step 4: Simplify right side
    492,987.42x = 118,733,624,075.17
  5. Step 5: Solve for x
    x = 118,733,624,075.17/492,987.42
  6. Step 6: Final answer
    x = 240,845.14

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Similar ratio
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1.5x scale

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.