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Finding the Fourth Proportional to 341,459.60, 512,266.20 and 104,813.20

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Solution

The fourth proportional to 341,459.60, 512,266.20 and 104,813.20 is: 157,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,459.60 : 512,266.20 = 104,813.20 : x
  2. Step 2: Convert to fraction form
    341,459.60/512,266.20 = 104,813.20/x
  3. Step 3: Cross multiply
    341,459.60x = 512,266.20 × 104,813.20
  4. Step 4: Simplify right side
    341,459.60x = 53,692,259,673.84
  5. Step 5: Solve for x
    x = 53,692,259,673.84/341,459.60
  6. Step 6: Final answer
    x = 157,243.37

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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.