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Finding the Fourth Proportional to 493,272.40, 739,908.60 and 333,840.10

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Solution

The fourth proportional to 493,272.40, 739,908.60 and 333,840.10 is: 500,760.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,272.40 : 739,908.60 = 333,840.10 : x
  2. Step 2: Convert to fraction form
    493,272.40/739,908.60 = 333,840.10/x
  3. Step 3: Cross multiply
    493,272.40x = 739,908.60 × 333,840.10
  4. Step 4: Simplify right side
    493,272.40x = 247,011,161,014.86
  5. Step 5: Solve for x
    x = 247,011,161,014.86/493,272.40
  6. Step 6: Final answer
    x = 500,760.15

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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.