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Finding the Fourth Proportional to 341,627.40, 512,441.10 and 104,969.70

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Solution

The fourth proportional to 341,627.40, 512,441.10 and 104,969.70 is: 157,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,627.40 : 512,441.10 = 104,969.70 : x
  2. Step 2: Convert to fraction form
    341,627.40/512,441.10 = 104,969.70/x
  3. Step 3: Cross multiply
    341,627.40x = 512,441.10 × 104,969.70
  4. Step 4: Simplify right side
    341,627.40x = 53,790,788,534.67
  5. Step 5: Solve for x
    x = 53,790,788,534.67/341,627.40
  6. Step 6: Final answer
    x = 157,454.55

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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.