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Finding the Fourth Proportional to 452,992.40, 679,488.60 and 404,003.60

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Solution

The fourth proportional to 452,992.40, 679,488.60 and 404,003.60 is: 606,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,992.40 : 679,488.60 = 404,003.60 : x
  2. Step 2: Convert to fraction form
    452,992.40/679,488.60 = 404,003.60/x
  3. Step 3: Cross multiply
    452,992.40x = 679,488.60 × 404,003.60
  4. Step 4: Simplify right side
    452,992.40x = 274,515,840,558.96
  5. Step 5: Solve for x
    x = 274,515,840,558.96/452,992.40
  6. Step 6: Final answer
    x = 606,005.40

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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.