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Finding the Fourth Proportional to 526,274.46, 789,367.95 and 210,748.68

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Solution

The fourth proportional to 526,274.46, 789,367.95 and 210,748.68 is: 316,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,274.46 : 789,367.95 = 210,748.68 : x
  2. Step 2: Convert to fraction form
    526,274.46/789,367.95 = 210,748.68/x
  3. Step 3: Cross multiply
    526,274.46x = 789,367.95 × 210,748.68
  4. Step 4: Simplify right side
    526,274.46x = 166,358,253,496.81
  5. Step 5: Solve for x
    x = 166,358,253,496.81/526,274.46
  6. Step 6: Final answer
    x = 316,105.50

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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.