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Finding the Fourth Proportional to 341,577.12, 512,364.60 and 92,259.12

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Solution

The fourth proportional to 341,577.12, 512,364.60 and 92,259.12 is: 138,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,577.12 : 512,364.60 = 92,259.12 : x
  2. Step 2: Convert to fraction form
    341,577.12/512,364.60 = 92,259.12/x
  3. Step 3: Cross multiply
    341,577.12x = 512,364.60 × 92,259.12
  4. Step 4: Simplify right side
    341,577.12x = 47,270,307,115.15
  5. Step 5: Solve for x
    x = 47,270,307,115.15/341,577.12
  6. Step 6: Final answer
    x = 138,388.39

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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.