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Finding the Fourth Proportional to 341,459.40, 512,189.10 and 192,160.20

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Solution

The fourth proportional to 341,459.40, 512,189.10 and 192,160.20 is: 288,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,459.40 : 512,189.10 = 192,160.20 : x
  2. Step 2: Convert to fraction form
    341,459.40/512,189.10 = 192,160.20/x
  3. Step 3: Cross multiply
    341,459.40x = 512,189.10 × 192,160.20
  4. Step 4: Simplify right side
    341,459.40x = 98,422,359,893.82
  5. Step 5: Solve for x
    x = 98,422,359,893.82/341,459.40
  6. Step 6: Final answer
    x = 288,240.30

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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.