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Finding the Fourth Proportional to 603,984.40, 906,559.80 and 367,788.40

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Solution

The fourth proportional to 603,984.40, 906,559.80 and 367,788.40 is: 552,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,984.40 : 906,559.80 = 367,788.40 : x
  2. Step 2: Convert to fraction form
    603,984.40/906,559.80 = 367,788.40/x
  3. Step 3: Cross multiply
    603,984.40x = 906,559.80 × 367,788.40
  4. Step 4: Simplify right side
    603,984.40x = 333,422,178,346.32
  5. Step 5: Solve for x
    x = 333,422,178,346.32/603,984.40
  6. Step 6: Final answer
    x = 552,037.73

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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.