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Finding the Fourth Proportional to 318,196.96, 439,123.08 and 174,967.96

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Solution

The fourth proportional to 318,196.96, 439,123.08 and 174,967.96 is: 241,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,196.96 : 439,123.08 = 174,967.96 : x
  2. Step 2: Convert to fraction form
    318,196.96/439,123.08 = 174,967.96/x
  3. Step 3: Cross multiply
    318,196.96x = 439,123.08 × 174,967.96
  4. Step 4: Simplify right side
    318,196.96x = 76,832,469,496.52
  5. Step 5: Solve for x
    x = 76,832,469,496.52/318,196.96
  6. Step 6: Final answer
    x = 241,461.98

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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.