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Finding the Fourth Proportional to 374,414.10, 561,621.15 and 164,462.10

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Solution

The fourth proportional to 374,414.10, 561,621.15 and 164,462.10 is: 246,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,414.10 : 561,621.15 = 164,462.10 : x
  2. Step 2: Convert to fraction form
    374,414.10/561,621.15 = 164,462.10/x
  3. Step 3: Cross multiply
    374,414.10x = 561,621.15 × 164,462.10
  4. Step 4: Simplify right side
    374,414.10x = 92,365,393,733.42
  5. Step 5: Solve for x
    x = 92,365,393,733.42/374,414.10
  6. Step 6: Final answer
    x = 246,693.15

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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.