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Finding the Fourth Proportional to 493,274.40, 739,911.60 and 333,842.10

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Solution

The fourth proportional to 493,274.40, 739,911.60 and 333,842.10 is: 500,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,274.40 : 739,911.60 = 333,842.10 : x
  2. Step 2: Convert to fraction form
    493,274.40/739,911.60 = 333,842.10/x
  3. Step 3: Cross multiply
    493,274.40x = 739,911.60 × 333,842.10
  4. Step 4: Simplify right side
    493,274.40x = 247,013,642,358.36
  5. Step 5: Solve for x
    x = 247,013,642,358.36/493,274.40
  6. Step 6: Final answer
    x = 500,763.15

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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.