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Finding the Fourth Proportional to 341,627.10, 512,452.80 and 104,969.40

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Solution

The fourth proportional to 341,627.10, 512,452.80 and 104,969.40 is: 157,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,627.10 : 512,452.80 = 104,969.40 : x
  2. Step 2: Convert to fraction form
    341,627.10/512,452.80 = 104,969.40/x
  3. Step 3: Cross multiply
    341,627.10x = 512,452.80 × 104,969.40
  4. Step 4: Simplify right side
    341,627.10x = 53,791,862,944.32
  5. Step 5: Solve for x
    x = 53,791,862,944.32/341,627.10
  6. Step 6: Final answer
    x = 157,457.83

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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.