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Finding the Fourth Proportional to 533,511.70, 736,236.82 and 291,788.97

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Solution

The fourth proportional to 533,511.70, 736,236.82 and 291,788.97 is: 402,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,511.70 : 736,236.82 = 291,788.97 : x
  2. Step 2: Convert to fraction form
    533,511.70/736,236.82 = 291,788.97/x
  3. Step 3: Cross multiply
    533,511.70x = 736,236.82 × 291,788.97
  4. Step 4: Simplify right side
    533,511.70x = 214,825,783,383.88
  5. Step 5: Solve for x
    x = 214,825,783,383.88/533,511.70
  6. Step 6: Final answer
    x = 402,663.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.