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Finding the Fourth Proportional to 206,892.60, 310,338.90 and 184,585.20

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Solution

The fourth proportional to 206,892.60, 310,338.90 and 184,585.20 is: 276,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,892.60 : 310,338.90 = 184,585.20 : x
  2. Step 2: Convert to fraction form
    206,892.60/310,338.90 = 184,585.20/x
  3. Step 3: Cross multiply
    206,892.60x = 310,338.90 × 184,585.20
  4. Step 4: Simplify right side
    206,892.60x = 57,283,967,924.28
  5. Step 5: Solve for x
    x = 57,283,967,924.28/206,892.60
  6. Step 6: Final answer
    x = 276,877.80

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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.