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Finding the Fourth Proportional to 404,232.20, 606,348.30 and 384,549.20

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Solution

The fourth proportional to 404,232.20, 606,348.30 and 384,549.20 is: 576,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,232.20 : 606,348.30 = 384,549.20 : x
  2. Step 2: Convert to fraction form
    404,232.20/606,348.30 = 384,549.20/x
  3. Step 3: Cross multiply
    404,232.20x = 606,348.30 × 384,549.20
  4. Step 4: Simplify right side
    404,232.20x = 233,170,753,686.36
  5. Step 5: Solve for x
    x = 233,170,753,686.36/404,232.20
  6. Step 6: Final answer
    x = 576,823.80

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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.