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Finding the Fourth Proportional to 452,590.80, 679,323.60 and 275,443.80

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Solution

The fourth proportional to 452,590.80, 679,323.60 and 275,443.80 is: 413,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,590.80 : 679,323.60 = 275,443.80 : x
  2. Step 2: Convert to fraction form
    452,590.80/679,323.60 = 275,443.80/x
  3. Step 3: Cross multiply
    452,590.80x = 679,323.60 × 275,443.80
  4. Step 4: Simplify right side
    452,590.80x = 187,115,473,813.68
  5. Step 5: Solve for x
    x = 187,115,473,813.68/452,590.80
  6. Step 6: Final answer
    x = 413,431.90

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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.