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Finding the Fourth Proportional to 611,480.90, 917,334.11 and 201,173.30

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Solution

The fourth proportional to 611,480.90, 917,334.11 and 201,173.30 is: 301,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,480.90 : 917,334.11 = 201,173.30 : x
  2. Step 2: Convert to fraction form
    611,480.90/917,334.11 = 201,173.30/x
  3. Step 3: Cross multiply
    611,480.90x = 917,334.11 × 201,173.30
  4. Step 4: Simplify right side
    611,480.90x = 184,543,124,518.73
  5. Step 5: Solve for x
    x = 184,543,124,518.73/611,480.90
  6. Step 6: Final answer
    x = 301,797.04

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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.