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Finding the Fourth Proportional to 334,026.40, 501,428.40 and 201,056.80

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Solution

The fourth proportional to 334,026.40, 501,428.40 and 201,056.80 is: 301,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,026.40 : 501,428.40 = 201,056.80 : x
  2. Step 2: Convert to fraction form
    334,026.40/501,428.40 = 201,056.80/x
  3. Step 3: Cross multiply
    334,026.40x = 501,428.40 × 201,056.80
  4. Step 4: Simplify right side
    334,026.40x = 100,815,589,533.12
  5. Step 5: Solve for x
    x = 100,815,589,533.12/334,026.40
  6. Step 6: Final answer
    x = 301,819.23

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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.