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Finding the Fourth Proportional to 606,466.80, 908,606.70 and 290,226.60

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Solution

The fourth proportional to 606,466.80, 908,606.70 and 290,226.60 is: 434,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,466.80 : 908,606.70 = 290,226.60 : x
  2. Step 2: Convert to fraction form
    606,466.80/908,606.70 = 290,226.60/x
  3. Step 3: Cross multiply
    606,466.80x = 908,606.70 × 290,226.60
  4. Step 4: Simplify right side
    606,466.80x = 263,701,833,278.22
  5. Step 5: Solve for x
    x = 263,701,833,278.22/606,466.80
  6. Step 6: Final answer
    x = 434,816.60

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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.