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Finding the Fourth Proportional to 341,419.80, 512,081.10 and 116,790.60

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Solution

The fourth proportional to 341,419.80, 512,081.10 and 116,790.60 is: 175,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,419.80 : 512,081.10 = 116,790.60 : x
  2. Step 2: Convert to fraction form
    341,419.80/512,081.10 = 116,790.60/x
  3. Step 3: Cross multiply
    341,419.80x = 512,081.10 × 116,790.60
  4. Step 4: Simplify right side
    341,419.80x = 59,806,258,917.66
  5. Step 5: Solve for x
    x = 59,806,258,917.66/341,419.80
  6. Step 6: Final answer
    x = 175,169.28

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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.