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Finding the Fourth Proportional to 341,503.60, 512,255.40 and 119,858.80

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Solution

The fourth proportional to 341,503.60, 512,255.40 and 119,858.80 is: 179,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,503.60 : 512,255.40 = 119,858.80 : x
  2. Step 2: Convert to fraction form
    341,503.60/512,255.40 = 119,858.80/x
  3. Step 3: Cross multiply
    341,503.60x = 512,255.40 × 119,858.80
  4. Step 4: Simplify right side
    341,503.60x = 61,398,317,537.52
  5. Step 5: Solve for x
    x = 61,398,317,537.52/341,503.60
  6. Step 6: Final answer
    x = 179,788.20

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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.