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Finding the Fourth Proportional to 404,664.60, 606,996.90 and 194,712.60

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Solution

The fourth proportional to 404,664.60, 606,996.90 and 194,712.60 is: 292,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,664.60 : 606,996.90 = 194,712.60 : x
  2. Step 2: Convert to fraction form
    404,664.60/606,996.90 = 194,712.60/x
  3. Step 3: Cross multiply
    404,664.60x = 606,996.90 × 194,712.60
  4. Step 4: Simplify right side
    404,664.60x = 118,189,944,590.94
  5. Step 5: Solve for x
    x = 118,189,944,590.94/404,664.60
  6. Step 6: Final answer
    x = 292,068.90

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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.