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Finding the Fourth Proportional to 492,774.30, 739,161.45 and 492,774.30

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Solution

The fourth proportional to 492,774.30, 739,161.45 and 492,774.30 is: 739,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,774.30 : 739,161.45 = 492,774.30 : x
  2. Step 2: Convert to fraction form
    492,774.30/739,161.45 = 492,774.30/x
  3. Step 3: Cross multiply
    492,774.30x = 739,161.45 × 492,774.30
  4. Step 4: Simplify right side
    492,774.30x = 364,239,766,110.74
  5. Step 5: Solve for x
    x = 364,239,766,110.74/492,774.30
  6. Step 6: Final answer
    x = 739,161.45

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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.