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Finding the Fourth Proportional to 606,007.20, 908,233.20 and 289,783.20

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Solution

The fourth proportional to 606,007.20, 908,233.20 and 289,783.20 is: 434,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,007.20 : 908,233.20 = 289,783.20 : x
  2. Step 2: Convert to fraction form
    606,007.20/908,233.20 = 289,783.20/x
  3. Step 3: Cross multiply
    606,007.20x = 908,233.20 × 289,783.20
  4. Step 4: Simplify right side
    606,007.20x = 263,190,723,042.24
  5. Step 5: Solve for x
    x = 263,190,723,042.24/606,007.20
  6. Step 6: Final answer
    x = 434,302.96

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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.