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Finding the Fourth Proportional to 493,567.72, 681,123.66 and 267,213.16

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Solution

The fourth proportional to 493,567.72, 681,123.66 and 267,213.16 is: 368,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,567.72 : 681,123.66 = 267,213.16 : x
  2. Step 2: Convert to fraction form
    493,567.72/681,123.66 = 267,213.16/x
  3. Step 3: Cross multiply
    493,567.72x = 681,123.66 × 267,213.16
  4. Step 4: Simplify right side
    493,567.72x = 182,005,205,539.37
  5. Step 5: Solve for x
    x = 182,005,205,539.37/493,567.72
  6. Step 6: Final answer
    x = 368,754.27

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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.