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Finding the Fourth Proportional to 404,179.60, 606,269.40 and 333,320.80

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Solution

The fourth proportional to 404,179.60, 606,269.40 and 333,320.80 is: 499,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,179.60 : 606,269.40 = 333,320.80 : x
  2. Step 2: Convert to fraction form
    404,179.60/606,269.40 = 333,320.80/x
  3. Step 3: Cross multiply
    404,179.60x = 606,269.40 × 333,320.80
  4. Step 4: Simplify right side
    404,179.60x = 202,082,201,423.52
  5. Step 5: Solve for x
    x = 202,082,201,423.52/404,179.60
  6. Step 6: Final answer
    x = 499,981.20

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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.