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Finding the Fourth Proportional to 606,934.40, 910,401.60 and 326,998.40

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Solution

The fourth proportional to 606,934.40, 910,401.60 and 326,998.40 is: 490,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,934.40 : 910,401.60 = 326,998.40 : x
  2. Step 2: Convert to fraction form
    606,934.40/910,401.60 = 326,998.40/x
  3. Step 3: Cross multiply
    606,934.40x = 910,401.60 × 326,998.40
  4. Step 4: Simplify right side
    606,934.40x = 297,699,866,557.44
  5. Step 5: Solve for x
    x = 297,699,866,557.44/606,934.40
  6. Step 6: Final answer
    x = 490,497.60

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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.