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Finding the Fourth Proportional to 492,991.40, 739,487.10 and 160,567.40

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Solution

The fourth proportional to 492,991.40, 739,487.10 and 160,567.40 is: 240,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,991.40 : 739,487.10 = 160,567.40 : x
  2. Step 2: Convert to fraction form
    492,991.40/739,487.10 = 160,567.40/x
  3. Step 3: Cross multiply
    492,991.40x = 739,487.10 × 160,567.40
  4. Step 4: Simplify right side
    492,991.40x = 118,737,520,980.54
  5. Step 5: Solve for x
    x = 118,737,520,980.54/492,991.40
  6. Step 6: Final answer
    x = 240,851.10

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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.