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Finding the Fourth Proportional to 633,016.53, 949,524.80 and 212,291.19

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Solution

The fourth proportional to 633,016.53, 949,524.80 and 212,291.19 is: 318,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,016.53 : 949,524.80 = 212,291.19 : x
  2. Step 2: Convert to fraction form
    633,016.53/949,524.80 = 212,291.19/x
  3. Step 3: Cross multiply
    633,016.53x = 949,524.80 × 212,291.19
  4. Step 4: Simplify right side
    633,016.53x = 201,575,748,665.06
  5. Step 5: Solve for x
    x = 201,575,748,665.06/633,016.53
  6. Step 6: Final answer
    x = 318,436.79

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Double scale
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Similar ratio
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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.