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Finding the Fourth Proportional to 374,349.57, 561,206.12 and 163,830.21

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Solution

The fourth proportional to 374,349.57, 561,206.12 and 163,830.21 is: 245,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,349.57 : 561,206.12 = 163,830.21 : x
  2. Step 2: Convert to fraction form
    374,349.57/561,206.12 = 163,830.21/x
  3. Step 3: Cross multiply
    374,349.57x = 561,206.12 × 163,830.21
  4. Step 4: Simplify right side
    374,349.57x = 91,942,515,673.73
  5. Step 5: Solve for x
    x = 91,942,515,673.73/374,349.57
  6. Step 6: Final answer
    x = 245,606.04

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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.