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Finding the Fourth Proportional to 606,017.20, 908,248.20 and 289,793.20

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Solution

The fourth proportional to 606,017.20, 908,248.20 and 289,793.20 is: 434,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,017.20 : 908,248.20 = 289,793.20 : x
  2. Step 2: Convert to fraction form
    606,017.20/908,248.20 = 289,793.20/x
  3. Step 3: Cross multiply
    606,017.20x = 908,248.20 × 289,793.20
  4. Step 4: Simplify right side
    606,017.20x = 263,204,152,272.24
  5. Step 5: Solve for x
    x = 263,204,152,272.24/606,017.20
  6. Step 6: Final answer
    x = 434,317.96

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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.