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Finding the Fourth Proportional to 301,817.40, 452,726.10 and 202,090.20

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Solution

The fourth proportional to 301,817.40, 452,726.10 and 202,090.20 is: 303,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,817.40 : 452,726.10 = 202,090.20 : x
  2. Step 2: Convert to fraction form
    301,817.40/452,726.10 = 202,090.20/x
  3. Step 3: Cross multiply
    301,817.40x = 452,726.10 × 202,090.20
  4. Step 4: Simplify right side
    301,817.40x = 91,491,508,094.22
  5. Step 5: Solve for x
    x = 91,491,508,094.22/301,817.40
  6. Step 6: Final answer
    x = 303,135.30

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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.