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Finding the Fourth Proportional to 622,171.20, 933,256.80 and 201,748.80

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Solution

The fourth proportional to 622,171.20, 933,256.80 and 201,748.80 is: 302,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,171.20 : 933,256.80 = 201,748.80 : x
  2. Step 2: Convert to fraction form
    622,171.20/933,256.80 = 201,748.80/x
  3. Step 3: Cross multiply
    622,171.20x = 933,256.80 × 201,748.80
  4. Step 4: Simplify right side
    622,171.20x = 188,283,439,491.84
  5. Step 5: Solve for x
    x = 188,283,439,491.84/622,171.20
  6. Step 6: Final answer
    x = 302,623.20

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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.