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Finding the Fourth Proportional to 404,717.60, 607,076.40 and 218,093.60

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Solution

The fourth proportional to 404,717.60, 607,076.40 and 218,093.60 is: 327,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,717.60 : 607,076.40 = 218,093.60 : x
  2. Step 2: Convert to fraction form
    404,717.60/607,076.40 = 218,093.60/x
  3. Step 3: Cross multiply
    404,717.60x = 607,076.40 × 218,093.60
  4. Step 4: Simplify right side
    404,717.60x = 132,399,477,551.04
  5. Step 5: Solve for x
    x = 132,399,477,551.04/404,717.60
  6. Step 6: Final answer
    x = 327,140.40

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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.