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Finding the Fourth Proportional to 527,231.67, 790,869.38 and 153,254.67

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Solution

The fourth proportional to 527,231.67, 790,869.38 and 153,254.67 is: 229,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,231.67 : 790,869.38 = 153,254.67 : x
  2. Step 2: Convert to fraction form
    527,231.67/790,869.38 = 153,254.67/x
  3. Step 3: Cross multiply
    527,231.67x = 790,869.38 × 153,254.67
  4. Step 4: Simplify right side
    527,231.67x = 121,204,425,845.01
  5. Step 5: Solve for x
    x = 121,204,425,845.01/527,231.67
  6. Step 6: Final answer
    x = 229,888.36

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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.