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Finding the Fourth Proportional to 442,922.80, 664,189.80 and 176,594.80

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Solution

The fourth proportional to 442,922.80, 664,189.80 and 176,594.80 is: 264,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,922.80 : 664,189.80 = 176,594.80 : x
  2. Step 2: Convert to fraction form
    442,922.80/664,189.80 = 176,594.80/x
  3. Step 3: Cross multiply
    442,922.80x = 664,189.80 × 176,594.80
  4. Step 4: Simplify right side
    442,922.80x = 117,292,464,893.04
  5. Step 5: Solve for x
    x = 117,292,464,893.04/442,922.80
  6. Step 6: Final answer
    x = 264,814.69

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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.