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Finding the Fourth Proportional to 401,559.04, 601,419.21 and 201,936.16

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Solution

The fourth proportional to 401,559.04, 601,419.21 and 201,936.16 is: 302,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,559.04 : 601,419.21 = 201,936.16 : x
  2. Step 2: Convert to fraction form
    401,559.04/601,419.21 = 201,936.16/x
  3. Step 3: Cross multiply
    401,559.04x = 601,419.21 × 201,936.16
  4. Step 4: Simplify right side
    401,559.04x = 121,448,285,817.63
  5. Step 5: Solve for x
    x = 121,448,285,817.63/401,559.04
  6. Step 6: Final answer
    x = 302,441.92

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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.