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Finding the Fourth Proportional to 527,201.56, 790,855.28 and 148,123.20

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Solution

The fourth proportional to 527,201.56, 790,855.28 and 148,123.20 is: 222,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,201.56 : 790,855.28 = 148,123.20 : x
  2. Step 2: Convert to fraction form
    527,201.56/790,855.28 = 148,123.20/x
  3. Step 3: Cross multiply
    527,201.56x = 790,855.28 × 148,123.20
  4. Step 4: Simplify right side
    527,201.56x = 117,144,014,810.50
  5. Step 5: Solve for x
    x = 117,144,014,810.50/527,201.56
  6. Step 6: Final answer
    x = 222,199.67

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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.