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Finding the Fourth Proportional to 664,466.44, 996,664.72 and 191,133.24

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Solution

The fourth proportional to 664,466.44, 996,664.72 and 191,133.24 is: 286,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,466.44 : 996,664.72 = 191,133.24 : x
  2. Step 2: Convert to fraction form
    664,466.44/996,664.72 = 191,133.24/x
  3. Step 3: Cross multiply
    664,466.44x = 996,664.72 × 191,133.24
  4. Step 4: Simplify right side
    664,466.44x = 190,495,757,127.29
  5. Step 5: Solve for x
    x = 190,495,757,127.29/664,466.44
  6. Step 6: Final answer
    x = 286,689.81

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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.