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Finding the Fourth Proportional to 374,135.70, 561,203.55 and 368,230.80

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Solution

The fourth proportional to 374,135.70, 561,203.55 and 368,230.80 is: 552,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,135.70 : 561,203.55 = 368,230.80 : x
  2. Step 2: Convert to fraction form
    374,135.70/561,203.55 = 368,230.80/x
  3. Step 3: Cross multiply
    374,135.70x = 561,203.55 × 368,230.80
  4. Step 4: Simplify right side
    374,135.70x = 206,652,432,179.34
  5. Step 5: Solve for x
    x = 206,652,432,179.34/374,135.70
  6. Step 6: Final answer
    x = 552,346.20

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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.