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Finding the Fourth Proportional to 508,930.80, 763,396.20 and 333,826.80

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Solution

The fourth proportional to 508,930.80, 763,396.20 and 333,826.80 is: 500,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,930.80 : 763,396.20 = 333,826.80 : x
  2. Step 2: Convert to fraction form
    508,930.80/763,396.20 = 333,826.80/x
  3. Step 3: Cross multiply
    508,930.80x = 763,396.20 × 333,826.80
  4. Step 4: Simplify right side
    508,930.80x = 254,842,110,578.16
  5. Step 5: Solve for x
    x = 254,842,110,578.16/508,930.80
  6. Step 6: Final answer
    x = 500,740.20

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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.