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Finding the Fourth Proportional to 594,012.80, 890,290.20 and 404,472.80

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Solution

The fourth proportional to 594,012.80, 890,290.20 and 404,472.80 is: 606,212.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,012.80 : 890,290.20 = 404,472.80 : x
  2. Step 2: Convert to fraction form
    594,012.80/890,290.20 = 404,472.80/x
  3. Step 3: Cross multiply
    594,012.80x = 890,290.20 × 404,472.80
  4. Step 4: Simplify right side
    594,012.80x = 360,098,170,006.56
  5. Step 5: Solve for x
    x = 360,098,170,006.56/594,012.80
  6. Step 6: Final answer
    x = 606,212.81

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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.