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Finding the Fourth Proportional to 374,354.10, 561,531.15 and 364,512.60

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Solution

The fourth proportional to 374,354.10, 561,531.15 and 364,512.60 is: 546,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,354.10 : 561,531.15 = 364,512.60 : x
  2. Step 2: Convert to fraction form
    374,354.10/561,531.15 = 364,512.60/x
  3. Step 3: Cross multiply
    374,354.10x = 561,531.15 × 364,512.60
  4. Step 4: Simplify right side
    374,354.10x = 204,685,179,467.49
  5. Step 5: Solve for x
    x = 204,685,179,467.49/374,354.10
  6. Step 6: Final answer
    x = 546,768.90

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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.