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Finding the Fourth Proportional to 634,247.44, 875,254.80 and 347,766.88

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Solution

The fourth proportional to 634,247.44, 875,254.80 and 347,766.88 is: 479,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,247.44 : 875,254.80 = 347,766.88 : x
  2. Step 2: Convert to fraction form
    634,247.44/875,254.80 = 347,766.88/x
  3. Step 3: Cross multiply
    634,247.44x = 875,254.80 × 347,766.88
  4. Step 4: Simplify right side
    634,247.44x = 304,384,631,001.02
  5. Step 5: Solve for x
    x = 304,384,631,001.02/634,247.44
  6. Step 6: Final answer
    x = 479,914.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.