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Finding the Fourth Proportional to 404,919.60, 607,638.60 and 236,439.60

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Solution

The fourth proportional to 404,919.60, 607,638.60 and 236,439.60 is: 354,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,919.60 : 607,638.60 = 236,439.60 : x
  2. Step 2: Convert to fraction form
    404,919.60/607,638.60 = 236,439.60/x
  3. Step 3: Cross multiply
    404,919.60x = 607,638.60 × 236,439.60
  4. Step 4: Simplify right side
    404,919.60x = 143,669,827,528.56
  5. Step 5: Solve for x
    x = 143,669,827,528.56/404,919.60
  6. Step 6: Final answer
    x = 354,810.75

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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.