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Finding the Fourth Proportional to 404,310.30, 606,465.45 and 310,998.30

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Solution

The fourth proportional to 404,310.30, 606,465.45 and 310,998.30 is: 466,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,310.30 : 606,465.45 = 310,998.30 : x
  2. Step 2: Convert to fraction form
    404,310.30/606,465.45 = 310,998.30/x
  3. Step 3: Cross multiply
    404,310.30x = 606,465.45 × 310,998.30
  4. Step 4: Simplify right side
    404,310.30x = 188,609,723,958.74
  5. Step 5: Solve for x
    x = 188,609,723,958.74/404,310.30
  6. Step 6: Final answer
    x = 466,497.45

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Double scale
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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.