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Finding the Fourth Proportional to 341,630.60, 512,445.90 and 152,090.60

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Solution

The fourth proportional to 341,630.60, 512,445.90 and 152,090.60 is: 228,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,630.60 : 512,445.90 = 152,090.60 : x
  2. Step 2: Convert to fraction form
    341,630.60/512,445.90 = 152,090.60/x
  3. Step 3: Cross multiply
    341,630.60x = 512,445.90 × 152,090.60
  4. Step 4: Simplify right side
    341,630.60x = 77,938,204,398.54
  5. Step 5: Solve for x
    x = 77,938,204,398.54/341,630.60
  6. Step 6: Final answer
    x = 228,135.90

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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.