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Finding the Fourth Proportional to 332,136, 458,555.04 and 213,111.36

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Solution

The fourth proportional to 332,136, 458,555.04 and 213,111.36 is: 294,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,136 : 458,555.04 = 213,111.36 : x
  2. Step 2: Convert to fraction form
    332,136/458,555.04 = 213,111.36/x
  3. Step 3: Cross multiply
    332,136x = 458,555.04 × 213,111.36
  4. Step 4: Simplify right side
    332,136x = 97,723,288,209.25
  5. Step 5: Solve for x
    x = 97,723,288,209.25/332,136
  6. Step 6: Final answer
    x = 294,226.73

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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.