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Finding the Fourth Proportional to 404,680.80, 607,021.20 and 325,948.80

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Solution

The fourth proportional to 404,680.80, 607,021.20 and 325,948.80 is: 488,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,680.80 : 607,021.20 = 325,948.80 : x
  2. Step 2: Convert to fraction form
    404,680.80/607,021.20 = 325,948.80/x
  3. Step 3: Cross multiply
    404,680.80x = 607,021.20 × 325,948.80
  4. Step 4: Simplify right side
    404,680.80x = 197,857,831,714.56
  5. Step 5: Solve for x
    x = 197,857,831,714.56/404,680.80
  6. Step 6: Final answer
    x = 488,923.20

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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.