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Finding the Fourth Proportional to 374,419.10, 561,628.65 and 164,467.10

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Solution

The fourth proportional to 374,419.10, 561,628.65 and 164,467.10 is: 246,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,419.10 : 561,628.65 = 164,467.10 : x
  2. Step 2: Convert to fraction form
    374,419.10/561,628.65 = 164,467.10/x
  3. Step 3: Cross multiply
    374,419.10x = 561,628.65 × 164,467.10
  4. Step 4: Simplify right side
    374,419.10x = 92,369,435,342.42
  5. Step 5: Solve for x
    x = 92,369,435,342.42/374,419.10
  6. Step 6: Final answer
    x = 246,700.65

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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.