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Finding the Fourth Proportional to 653,645.31, 980,524.47 and 180,330.67

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Solution

The fourth proportional to 653,645.31, 980,524.47 and 180,330.67 is: 270,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,645.31 : 980,524.47 = 180,330.67 : x
  2. Step 2: Convert to fraction form
    653,645.31/980,524.47 = 180,330.67/x
  3. Step 3: Cross multiply
    653,645.31x = 980,524.47 × 180,330.67
  4. Step 4: Simplify right side
    653,645.31x = 176,818,633,675.55
  5. Step 5: Solve for x
    x = 176,818,633,675.55/653,645.31
  6. Step 6: Final answer
    x = 270,511.59

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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.