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Finding the Fourth Proportional to 422,534.12, 633,374.70 and 264,873.30

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Solution

The fourth proportional to 422,534.12, 633,374.70 and 264,873.30 is: 397,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,534.12 : 633,374.70 = 264,873.30 : x
  2. Step 2: Convert to fraction form
    422,534.12/633,374.70 = 264,873.30/x
  3. Step 3: Cross multiply
    422,534.12x = 633,374.70 × 264,873.30
  4. Step 4: Simplify right side
    422,534.12x = 167,764,046,925.51
  5. Step 5: Solve for x
    x = 167,764,046,925.51/422,534.12
  6. Step 6: Final answer
    x = 397,042.60

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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.