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Finding the Fourth Proportional to 555,028.40, 832,542.60 and 404,562.80

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Solution

The fourth proportional to 555,028.40, 832,542.60 and 404,562.80 is: 606,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,028.40 : 832,542.60 = 404,562.80 : x
  2. Step 2: Convert to fraction form
    555,028.40/832,542.60 = 404,562.80/x
  3. Step 3: Cross multiply
    555,028.40x = 832,542.60 × 404,562.80
  4. Step 4: Simplify right side
    555,028.40x = 336,815,765,375.28
  5. Step 5: Solve for x
    x = 336,815,765,375.28/555,028.40
  6. Step 6: Final answer
    x = 606,844.20

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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.