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Finding the Fourth Proportional to 332,421.84, 458,681.22 and 196,477.92

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Solution

The fourth proportional to 332,421.84, 458,681.22 and 196,477.92 is: 271,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,421.84 : 458,681.22 = 196,477.92 : x
  2. Step 2: Convert to fraction form
    332,421.84/458,681.22 = 196,477.92/x
  3. Step 3: Cross multiply
    332,421.84x = 458,681.22 × 196,477.92
  4. Step 4: Simplify right side
    332,421.84x = 90,120,732,048.66
  5. Step 5: Solve for x
    x = 90,120,732,048.66/332,421.84
  6. Step 6: Final answer
    x = 271,103.52

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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.