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Finding the Fourth Proportional to 613,800.18, 920,844.90 and 193,076.10

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Solution

The fourth proportional to 613,800.18, 920,844.90 and 193,076.10 is: 289,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,800.18 : 920,844.90 = 193,076.10 : x
  2. Step 2: Convert to fraction form
    613,800.18/920,844.90 = 193,076.10/x
  3. Step 3: Cross multiply
    613,800.18x = 920,844.90 × 193,076.10
  4. Step 4: Simplify right side
    613,800.18x = 177,793,141,996.89
  5. Step 5: Solve for x
    x = 177,793,141,996.89/613,800.18
  6. Step 6: Final answer
    x = 289,659.64

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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.