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Finding the Fourth Proportional to 502,461.96, 753,269.22 and 217,938.30

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Solution

The fourth proportional to 502,461.96, 753,269.22 and 217,938.30 is: 326,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,461.96 : 753,269.22 = 217,938.30 : x
  2. Step 2: Convert to fraction form
    502,461.96/753,269.22 = 217,938.30/x
  3. Step 3: Cross multiply
    502,461.96x = 753,269.22 × 217,938.30
  4. Step 4: Simplify right side
    502,461.96x = 164,166,213,249.13
  5. Step 5: Solve for x
    x = 164,166,213,249.13/502,461.96
  6. Step 6: Final answer
    x = 326,723.67

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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.