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Finding the Fourth Proportional to 201,883.60, 302,825.40 and 200,501.20

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Solution

The fourth proportional to 201,883.60, 302,825.40 and 200,501.20 is: 300,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,883.60 : 302,825.40 = 200,501.20 : x
  2. Step 2: Convert to fraction form
    201,883.60/302,825.40 = 200,501.20/x
  3. Step 3: Cross multiply
    201,883.60x = 302,825.40 × 200,501.20
  4. Step 4: Simplify right side
    201,883.60x = 60,716,856,090.48
  5. Step 5: Solve for x
    x = 60,716,856,090.48/201,883.60
  6. Step 6: Final answer
    x = 300,751.80

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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.